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mesa/st: Add support for EXT_texture_sRGB_R8
[mesa.git] / src / mesa / state_tracker / st_format.c
1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * Copyright (c) 2008-2010 VMware, Inc.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29
30 /**
31 * Mesa / Gallium format conversion and format selection code.
32 * \author Brian Paul
33 */
34
35 #include "main/imports.h"
36 #include "main/context.h"
37 #include "main/enums.h"
38 #include "main/formats.h"
39 #include "main/glformats.h"
40 #include "main/texcompress.h"
41 #include "main/texgetimage.h"
42 #include "main/teximage.h"
43 #include "main/texstore.h"
44 #include "main/image.h"
45 #include "main/macros.h"
46 #include "main/formatquery.h"
47
48 #include "pipe/p_context.h"
49 #include "pipe/p_defines.h"
50 #include "pipe/p_screen.h"
51 #include "util/u_format.h"
52 #include "st_cb_texture.h"
53 #include "st_context.h"
54 #include "st_format.h"
55 #include "st_texture.h"
56
57
58 /**
59 * Translate Mesa format to Gallium format.
60 */
61 enum pipe_format
62 st_mesa_format_to_pipe_format(const struct st_context *st,
63 mesa_format mesaFormat)
64 {
65 struct pipe_screen *screen = st->pipe->screen;
66 bool has_bgra_srgb = screen->is_format_supported(screen,
67 PIPE_FORMAT_B8G8R8A8_SRGB,
68 PIPE_TEXTURE_2D, 0, 0,
69 PIPE_BIND_SAMPLER_VIEW);
70
71 switch (mesaFormat) {
72 case MESA_FORMAT_A8B8G8R8_UNORM:
73 return PIPE_FORMAT_ABGR8888_UNORM;
74 case MESA_FORMAT_R8G8B8A8_UNORM:
75 return PIPE_FORMAT_RGBA8888_UNORM;
76 case MESA_FORMAT_B8G8R8A8_UNORM:
77 return PIPE_FORMAT_BGRA8888_UNORM;
78 case MESA_FORMAT_A8R8G8B8_UNORM:
79 return PIPE_FORMAT_ARGB8888_UNORM;
80 case MESA_FORMAT_X8B8G8R8_UNORM:
81 return PIPE_FORMAT_XBGR8888_UNORM;
82 case MESA_FORMAT_R8G8B8X8_UNORM:
83 return PIPE_FORMAT_RGBX8888_UNORM;
84 case MESA_FORMAT_B8G8R8X8_UNORM:
85 return PIPE_FORMAT_BGRX8888_UNORM;
86 case MESA_FORMAT_X8R8G8B8_UNORM:
87 return PIPE_FORMAT_XRGB8888_UNORM;
88 case MESA_FORMAT_B5G5R5A1_UNORM:
89 return PIPE_FORMAT_B5G5R5A1_UNORM;
90 case MESA_FORMAT_A1B5G5R5_UNORM:
91 return PIPE_FORMAT_A1B5G5R5_UNORM;
92 case MESA_FORMAT_B4G4R4A4_UNORM:
93 return PIPE_FORMAT_B4G4R4A4_UNORM;
94 case MESA_FORMAT_A4B4G4R4_UNORM:
95 return PIPE_FORMAT_A4B4G4R4_UNORM;
96 case MESA_FORMAT_B5G6R5_UNORM:
97 return PIPE_FORMAT_B5G6R5_UNORM;
98 case MESA_FORMAT_B2G3R3_UNORM:
99 return PIPE_FORMAT_B2G3R3_UNORM;
100 case MESA_FORMAT_B10G10R10A2_UNORM:
101 return PIPE_FORMAT_B10G10R10A2_UNORM;
102 case MESA_FORMAT_R10G10B10A2_UNORM:
103 return PIPE_FORMAT_R10G10B10A2_UNORM;
104 case MESA_FORMAT_R10G10B10X2_UNORM:
105 return PIPE_FORMAT_R10G10B10X2_UNORM;
106 case MESA_FORMAT_L4A4_UNORM:
107 return PIPE_FORMAT_L4A4_UNORM;
108 case MESA_FORMAT_L8A8_UNORM:
109 return PIPE_FORMAT_LA88_UNORM;
110 case MESA_FORMAT_A8L8_UNORM:
111 return PIPE_FORMAT_AL88_UNORM;
112 case MESA_FORMAT_L16A16_UNORM:
113 return PIPE_FORMAT_LA1616_UNORM;
114 case MESA_FORMAT_A16L16_UNORM:
115 return PIPE_FORMAT_AL1616_UNORM;
116 case MESA_FORMAT_A_UNORM8:
117 return PIPE_FORMAT_A8_UNORM;
118 case MESA_FORMAT_A_UNORM16:
119 return PIPE_FORMAT_A16_UNORM;
120 case MESA_FORMAT_L_UNORM8:
121 return PIPE_FORMAT_L8_UNORM;
122 case MESA_FORMAT_L_UNORM16:
123 return PIPE_FORMAT_L16_UNORM;
124 case MESA_FORMAT_I_UNORM8:
125 return PIPE_FORMAT_I8_UNORM;
126 case MESA_FORMAT_I_UNORM16:
127 return PIPE_FORMAT_I16_UNORM;
128 case MESA_FORMAT_Z_UNORM16:
129 return PIPE_FORMAT_Z16_UNORM;
130 case MESA_FORMAT_Z_UNORM32:
131 return PIPE_FORMAT_Z32_UNORM;
132 case MESA_FORMAT_S8_UINT_Z24_UNORM:
133 return PIPE_FORMAT_S8_UINT_Z24_UNORM;
134 case MESA_FORMAT_Z24_UNORM_S8_UINT:
135 return PIPE_FORMAT_Z24_UNORM_S8_UINT;
136 case MESA_FORMAT_X8_UINT_Z24_UNORM:
137 return PIPE_FORMAT_X8Z24_UNORM;
138 case MESA_FORMAT_Z24_UNORM_X8_UINT:
139 return PIPE_FORMAT_Z24X8_UNORM;
140 case MESA_FORMAT_S_UINT8:
141 return PIPE_FORMAT_S8_UINT;
142 case MESA_FORMAT_Z_FLOAT32:
143 return PIPE_FORMAT_Z32_FLOAT;
144 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
145 return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
146 case MESA_FORMAT_YCBCR:
147 return PIPE_FORMAT_UYVY;
148 case MESA_FORMAT_YCBCR_REV:
149 return PIPE_FORMAT_YUYV;
150 case MESA_FORMAT_RGB_DXT1:
151 return PIPE_FORMAT_DXT1_RGB;
152 case MESA_FORMAT_RGBA_DXT1:
153 return PIPE_FORMAT_DXT1_RGBA;
154 case MESA_FORMAT_RGBA_DXT3:
155 return PIPE_FORMAT_DXT3_RGBA;
156 case MESA_FORMAT_RGBA_DXT5:
157 return PIPE_FORMAT_DXT5_RGBA;
158 case MESA_FORMAT_SRGB_DXT1:
159 return PIPE_FORMAT_DXT1_SRGB;
160 case MESA_FORMAT_SRGBA_DXT1:
161 return PIPE_FORMAT_DXT1_SRGBA;
162 case MESA_FORMAT_SRGBA_DXT3:
163 return PIPE_FORMAT_DXT3_SRGBA;
164 case MESA_FORMAT_SRGBA_DXT5:
165 return PIPE_FORMAT_DXT5_SRGBA;
166 case MESA_FORMAT_L8A8_SRGB:
167 return PIPE_FORMAT_LA88_SRGB;
168 case MESA_FORMAT_A8L8_SRGB:
169 return PIPE_FORMAT_AL88_SRGB;
170 case MESA_FORMAT_L_SRGB8:
171 return PIPE_FORMAT_L8_SRGB;
172 case MESA_FORMAT_R_SRGB8:
173 return PIPE_FORMAT_R8_SRGB;
174 case MESA_FORMAT_BGR_SRGB8:
175 return PIPE_FORMAT_R8G8B8_SRGB;
176 case MESA_FORMAT_A8B8G8R8_SRGB:
177 return PIPE_FORMAT_ABGR8888_SRGB;
178 case MESA_FORMAT_R8G8B8A8_SRGB:
179 return PIPE_FORMAT_RGBA8888_SRGB;
180 case MESA_FORMAT_B8G8R8A8_SRGB:
181 return PIPE_FORMAT_BGRA8888_SRGB;
182 case MESA_FORMAT_A8R8G8B8_SRGB:
183 return PIPE_FORMAT_ARGB8888_SRGB;
184 case MESA_FORMAT_RGBA_FLOAT32:
185 return PIPE_FORMAT_R32G32B32A32_FLOAT;
186 case MESA_FORMAT_RGBA_FLOAT16:
187 return PIPE_FORMAT_R16G16B16A16_FLOAT;
188 case MESA_FORMAT_RGB_FLOAT32:
189 return PIPE_FORMAT_R32G32B32_FLOAT;
190 case MESA_FORMAT_RGB_FLOAT16:
191 return PIPE_FORMAT_R16G16B16_FLOAT;
192 case MESA_FORMAT_LA_FLOAT32:
193 return PIPE_FORMAT_L32A32_FLOAT;
194 case MESA_FORMAT_LA_FLOAT16:
195 return PIPE_FORMAT_L16A16_FLOAT;
196 case MESA_FORMAT_L_FLOAT32:
197 return PIPE_FORMAT_L32_FLOAT;
198 case MESA_FORMAT_L_FLOAT16:
199 return PIPE_FORMAT_L16_FLOAT;
200 case MESA_FORMAT_A_FLOAT32:
201 return PIPE_FORMAT_A32_FLOAT;
202 case MESA_FORMAT_A_FLOAT16:
203 return PIPE_FORMAT_A16_FLOAT;
204 case MESA_FORMAT_I_FLOAT32:
205 return PIPE_FORMAT_I32_FLOAT;
206 case MESA_FORMAT_I_FLOAT16:
207 return PIPE_FORMAT_I16_FLOAT;
208 case MESA_FORMAT_R_FLOAT32:
209 return PIPE_FORMAT_R32_FLOAT;
210 case MESA_FORMAT_R_FLOAT16:
211 return PIPE_FORMAT_R16_FLOAT;
212 case MESA_FORMAT_RG_FLOAT32:
213 return PIPE_FORMAT_R32G32_FLOAT;
214 case MESA_FORMAT_RG_FLOAT16:
215 return PIPE_FORMAT_R16G16_FLOAT;
216
217 case MESA_FORMAT_R_UNORM8:
218 return PIPE_FORMAT_R8_UNORM;
219 case MESA_FORMAT_R_UNORM16:
220 return PIPE_FORMAT_R16_UNORM;
221 case MESA_FORMAT_R8G8_UNORM:
222 return PIPE_FORMAT_RG88_UNORM;
223 case MESA_FORMAT_G8R8_UNORM:
224 return PIPE_FORMAT_GR88_UNORM;
225 case MESA_FORMAT_R16G16_UNORM:
226 return PIPE_FORMAT_RG1616_UNORM;
227 case MESA_FORMAT_G16R16_UNORM:
228 return PIPE_FORMAT_GR1616_UNORM;
229 case MESA_FORMAT_RGBA_UNORM16:
230 return PIPE_FORMAT_R16G16B16A16_UNORM;
231
232 /* signed int formats */
233 case MESA_FORMAT_A_UINT8:
234 return PIPE_FORMAT_A8_UINT;
235 case MESA_FORMAT_A_UINT16:
236 return PIPE_FORMAT_A16_UINT;
237 case MESA_FORMAT_A_UINT32:
238 return PIPE_FORMAT_A32_UINT;
239
240 case MESA_FORMAT_A_SINT8:
241 return PIPE_FORMAT_A8_SINT;
242 case MESA_FORMAT_A_SINT16:
243 return PIPE_FORMAT_A16_SINT;
244 case MESA_FORMAT_A_SINT32:
245 return PIPE_FORMAT_A32_SINT;
246
247 case MESA_FORMAT_I_UINT8:
248 return PIPE_FORMAT_I8_UINT;
249 case MESA_FORMAT_I_UINT16:
250 return PIPE_FORMAT_I16_UINT;
251 case MESA_FORMAT_I_UINT32:
252 return PIPE_FORMAT_I32_UINT;
253
254 case MESA_FORMAT_I_SINT8:
255 return PIPE_FORMAT_I8_SINT;
256 case MESA_FORMAT_I_SINT16:
257 return PIPE_FORMAT_I16_SINT;
258 case MESA_FORMAT_I_SINT32:
259 return PIPE_FORMAT_I32_SINT;
260
261 case MESA_FORMAT_L_UINT8:
262 return PIPE_FORMAT_L8_UINT;
263 case MESA_FORMAT_L_UINT16:
264 return PIPE_FORMAT_L16_UINT;
265 case MESA_FORMAT_L_UINT32:
266 return PIPE_FORMAT_L32_UINT;
267
268 case MESA_FORMAT_L_SINT8:
269 return PIPE_FORMAT_L8_SINT;
270 case MESA_FORMAT_L_SINT16:
271 return PIPE_FORMAT_L16_SINT;
272 case MESA_FORMAT_L_SINT32:
273 return PIPE_FORMAT_L32_SINT;
274
275 case MESA_FORMAT_LA_UINT8:
276 return PIPE_FORMAT_L8A8_UINT;
277 case MESA_FORMAT_LA_UINT16:
278 return PIPE_FORMAT_L16A16_UINT;
279 case MESA_FORMAT_LA_UINT32:
280 return PIPE_FORMAT_L32A32_UINT;
281
282 case MESA_FORMAT_LA_SINT8:
283 return PIPE_FORMAT_L8A8_SINT;
284 case MESA_FORMAT_LA_SINT16:
285 return PIPE_FORMAT_L16A16_SINT;
286 case MESA_FORMAT_LA_SINT32:
287 return PIPE_FORMAT_L32A32_SINT;
288
289 case MESA_FORMAT_R_SINT8:
290 return PIPE_FORMAT_R8_SINT;
291 case MESA_FORMAT_RG_SINT8:
292 return PIPE_FORMAT_R8G8_SINT;
293 case MESA_FORMAT_RGB_SINT8:
294 return PIPE_FORMAT_R8G8B8_SINT;
295 case MESA_FORMAT_RGBA_SINT8:
296 return PIPE_FORMAT_R8G8B8A8_SINT;
297 case MESA_FORMAT_R_SINT16:
298 return PIPE_FORMAT_R16_SINT;
299 case MESA_FORMAT_RG_SINT16:
300 return PIPE_FORMAT_R16G16_SINT;
301 case MESA_FORMAT_RGB_SINT16:
302 return PIPE_FORMAT_R16G16B16_SINT;
303 case MESA_FORMAT_RGBA_SINT16:
304 return PIPE_FORMAT_R16G16B16A16_SINT;
305 case MESA_FORMAT_R_SINT32:
306 return PIPE_FORMAT_R32_SINT;
307 case MESA_FORMAT_RG_SINT32:
308 return PIPE_FORMAT_R32G32_SINT;
309 case MESA_FORMAT_RGB_SINT32:
310 return PIPE_FORMAT_R32G32B32_SINT;
311 case MESA_FORMAT_RGBA_SINT32:
312 return PIPE_FORMAT_R32G32B32A32_SINT;
313
314 /* unsigned int formats */
315 case MESA_FORMAT_R_UINT8:
316 return PIPE_FORMAT_R8_UINT;
317 case MESA_FORMAT_RG_UINT8:
318 return PIPE_FORMAT_R8G8_UINT;
319 case MESA_FORMAT_RGB_UINT8:
320 return PIPE_FORMAT_R8G8B8_UINT;
321 case MESA_FORMAT_RGBA_UINT8:
322 return PIPE_FORMAT_R8G8B8A8_UINT;
323 case MESA_FORMAT_R_UINT16:
324 return PIPE_FORMAT_R16_UINT;
325 case MESA_FORMAT_RG_UINT16:
326 return PIPE_FORMAT_R16G16_UINT;
327 case MESA_FORMAT_RGB_UINT16:
328 return PIPE_FORMAT_R16G16B16_UINT;
329 case MESA_FORMAT_RGBA_UINT16:
330 return PIPE_FORMAT_R16G16B16A16_UINT;
331 case MESA_FORMAT_R_UINT32:
332 return PIPE_FORMAT_R32_UINT;
333 case MESA_FORMAT_RG_UINT32:
334 return PIPE_FORMAT_R32G32_UINT;
335 case MESA_FORMAT_RGB_UINT32:
336 return PIPE_FORMAT_R32G32B32_UINT;
337 case MESA_FORMAT_RGBA_UINT32:
338 return PIPE_FORMAT_R32G32B32A32_UINT;
339
340 case MESA_FORMAT_R_RGTC1_UNORM:
341 return PIPE_FORMAT_RGTC1_UNORM;
342 case MESA_FORMAT_R_RGTC1_SNORM:
343 return PIPE_FORMAT_RGTC1_SNORM;
344 case MESA_FORMAT_RG_RGTC2_UNORM:
345 return PIPE_FORMAT_RGTC2_UNORM;
346 case MESA_FORMAT_RG_RGTC2_SNORM:
347 return PIPE_FORMAT_RGTC2_SNORM;
348
349 case MESA_FORMAT_L_LATC1_UNORM:
350 return PIPE_FORMAT_LATC1_UNORM;
351 case MESA_FORMAT_L_LATC1_SNORM:
352 return PIPE_FORMAT_LATC1_SNORM;
353 case MESA_FORMAT_LA_LATC2_UNORM:
354 return PIPE_FORMAT_LATC2_UNORM;
355 case MESA_FORMAT_LA_LATC2_SNORM:
356 return PIPE_FORMAT_LATC2_SNORM;
357
358 /* The destination RGBA format mustn't be changed, because it's also
359 * a destination format of the unpack/decompression function. */
360 case MESA_FORMAT_ETC1_RGB8:
361 return st->has_etc1 ? PIPE_FORMAT_ETC1_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
362
363 case MESA_FORMAT_BPTC_RGBA_UNORM:
364 return PIPE_FORMAT_BPTC_RGBA_UNORM;
365 case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
366 return PIPE_FORMAT_BPTC_SRGBA;
367 case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
368 return PIPE_FORMAT_BPTC_RGB_FLOAT;
369 case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
370 return PIPE_FORMAT_BPTC_RGB_UFLOAT;
371
372 /* signed normalized formats */
373 case MESA_FORMAT_R_SNORM8:
374 return PIPE_FORMAT_R8_SNORM;
375 case MESA_FORMAT_R8G8_SNORM:
376 return PIPE_FORMAT_RG88_SNORM;
377 case MESA_FORMAT_G8R8_SNORM:
378 return PIPE_FORMAT_GR88_SNORM;
379 case MESA_FORMAT_R8G8B8A8_SNORM:
380 return PIPE_FORMAT_RGBA8888_SNORM;
381 case MESA_FORMAT_A8B8G8R8_SNORM:
382 return PIPE_FORMAT_ABGR8888_SNORM;
383
384 case MESA_FORMAT_A_SNORM8:
385 return PIPE_FORMAT_A8_SNORM;
386 case MESA_FORMAT_L_SNORM8:
387 return PIPE_FORMAT_L8_SNORM;
388 case MESA_FORMAT_L8A8_SNORM:
389 return PIPE_FORMAT_LA88_SNORM;
390 case MESA_FORMAT_A8L8_SNORM:
391 return PIPE_FORMAT_AL88_SNORM;
392 case MESA_FORMAT_I_SNORM8:
393 return PIPE_FORMAT_I8_SNORM;
394
395 case MESA_FORMAT_R_SNORM16:
396 return PIPE_FORMAT_R16_SNORM;
397 case MESA_FORMAT_R16G16_SNORM:
398 return PIPE_FORMAT_RG1616_SNORM;
399 case MESA_FORMAT_G16R16_SNORM:
400 return PIPE_FORMAT_GR1616_SNORM;
401 case MESA_FORMAT_RGBA_SNORM16:
402 return PIPE_FORMAT_R16G16B16A16_SNORM;
403
404 case MESA_FORMAT_A_SNORM16:
405 return PIPE_FORMAT_A16_SNORM;
406 case MESA_FORMAT_L_SNORM16:
407 return PIPE_FORMAT_L16_SNORM;
408 case MESA_FORMAT_LA_SNORM16:
409 return PIPE_FORMAT_L16A16_SNORM;
410 case MESA_FORMAT_I_SNORM16:
411 return PIPE_FORMAT_I16_SNORM;
412
413 case MESA_FORMAT_R9G9B9E5_FLOAT:
414 return PIPE_FORMAT_R9G9B9E5_FLOAT;
415 case MESA_FORMAT_R11G11B10_FLOAT:
416 return PIPE_FORMAT_R11G11B10_FLOAT;
417 case MESA_FORMAT_B10G10R10A2_UINT:
418 return PIPE_FORMAT_B10G10R10A2_UINT;
419 case MESA_FORMAT_R10G10B10A2_UINT:
420 return PIPE_FORMAT_R10G10B10A2_UINT;
421
422 case MESA_FORMAT_B4G4R4X4_UNORM:
423 return PIPE_FORMAT_B4G4R4X4_UNORM;
424 case MESA_FORMAT_B5G5R5X1_UNORM:
425 return PIPE_FORMAT_B5G5R5X1_UNORM;
426 case MESA_FORMAT_X1B5G5R5_UNORM:
427 return PIPE_FORMAT_X1B5G5R5_UNORM;
428 case MESA_FORMAT_R8G8B8X8_SNORM:
429 return PIPE_FORMAT_RGBX8888_SNORM;
430 case MESA_FORMAT_X8B8G8R8_SNORM:
431 return PIPE_FORMAT_XBGR8888_SNORM;
432 case MESA_FORMAT_R8G8B8X8_SRGB:
433 return PIPE_FORMAT_RGBX8888_SRGB;
434 case MESA_FORMAT_X8B8G8R8_SRGB:
435 return PIPE_FORMAT_XBGR8888_SRGB;
436 case MESA_FORMAT_RGBX_UINT8:
437 return PIPE_FORMAT_R8G8B8X8_UINT;
438 case MESA_FORMAT_RGBX_SINT8:
439 return PIPE_FORMAT_R8G8B8X8_SINT;
440 case MESA_FORMAT_B10G10R10X2_UNORM:
441 return PIPE_FORMAT_B10G10R10X2_UNORM;
442 case MESA_FORMAT_RGBX_UNORM16:
443 return PIPE_FORMAT_R16G16B16X16_UNORM;
444 case MESA_FORMAT_RGBX_SNORM16:
445 return PIPE_FORMAT_R16G16B16X16_SNORM;
446 case MESA_FORMAT_RGBX_FLOAT16:
447 return PIPE_FORMAT_R16G16B16X16_FLOAT;
448 case MESA_FORMAT_RGBX_UINT16:
449 return PIPE_FORMAT_R16G16B16X16_UINT;
450 case MESA_FORMAT_RGBX_SINT16:
451 return PIPE_FORMAT_R16G16B16X16_SINT;
452 case MESA_FORMAT_RGBX_FLOAT32:
453 return PIPE_FORMAT_R32G32B32X32_FLOAT;
454 case MESA_FORMAT_RGBX_UINT32:
455 return PIPE_FORMAT_R32G32B32X32_UINT;
456 case MESA_FORMAT_RGBX_SINT32:
457 return PIPE_FORMAT_R32G32B32X32_SINT;
458
459 case MESA_FORMAT_B8G8R8X8_SRGB:
460 return PIPE_FORMAT_BGRX8888_SRGB;
461 case MESA_FORMAT_X8R8G8B8_SRGB:
462 return PIPE_FORMAT_XRGB8888_SRGB;
463
464 /* ETC2 formats are emulated as uncompressed ones.
465 * The destination formats mustn't be changed, because they are also
466 * destination formats of the unpack/decompression function. */
467 case MESA_FORMAT_ETC2_RGB8:
468 return st->has_etc2 ? PIPE_FORMAT_ETC2_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
469 case MESA_FORMAT_ETC2_SRGB8:
470 return st->has_etc2 ? PIPE_FORMAT_ETC2_SRGB8 :
471 has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
472 case MESA_FORMAT_ETC2_RGBA8_EAC:
473 return st->has_etc2 ? PIPE_FORMAT_ETC2_RGBA8 : PIPE_FORMAT_R8G8B8A8_UNORM;
474 case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
475 return st->has_etc2 ? PIPE_FORMAT_ETC2_SRGBA8 :
476 has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
477 case MESA_FORMAT_ETC2_R11_EAC:
478 return st->has_etc2 ? PIPE_FORMAT_ETC2_R11_UNORM : PIPE_FORMAT_R16_UNORM;
479 case MESA_FORMAT_ETC2_RG11_EAC:
480 return st->has_etc2 ? PIPE_FORMAT_ETC2_RG11_UNORM : PIPE_FORMAT_R16G16_UNORM;
481 case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
482 return st->has_etc2 ? PIPE_FORMAT_ETC2_R11_SNORM : PIPE_FORMAT_R16_SNORM;
483 case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
484 return st->has_etc2 ? PIPE_FORMAT_ETC2_RG11_SNORM : PIPE_FORMAT_R16G16_SNORM;
485 case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
486 return st->has_etc2 ? PIPE_FORMAT_ETC2_RGB8A1 : PIPE_FORMAT_R8G8B8A8_UNORM;
487 case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
488 return st->has_etc2 ? PIPE_FORMAT_ETC2_SRGB8A1 :
489 has_bgra_srgb ? PIPE_FORMAT_B8G8R8A8_SRGB : PIPE_FORMAT_R8G8B8A8_SRGB;
490
491 case MESA_FORMAT_RGBA_ASTC_4x4:
492 if (!st->has_astc_2d_ldr)
493 return PIPE_FORMAT_R8G8B8A8_UNORM;
494 return PIPE_FORMAT_ASTC_4x4;
495 case MESA_FORMAT_RGBA_ASTC_5x4:
496 if (!st->has_astc_2d_ldr)
497 return PIPE_FORMAT_R8G8B8A8_UNORM;
498 return PIPE_FORMAT_ASTC_5x4;
499 case MESA_FORMAT_RGBA_ASTC_5x5:
500 if (!st->has_astc_2d_ldr)
501 return PIPE_FORMAT_R8G8B8A8_UNORM;
502 return PIPE_FORMAT_ASTC_5x5;
503 case MESA_FORMAT_RGBA_ASTC_6x5:
504 if (!st->has_astc_2d_ldr)
505 return PIPE_FORMAT_R8G8B8A8_UNORM;
506 return PIPE_FORMAT_ASTC_6x5;
507 case MESA_FORMAT_RGBA_ASTC_6x6:
508 if (!st->has_astc_2d_ldr)
509 return PIPE_FORMAT_R8G8B8A8_UNORM;
510 return PIPE_FORMAT_ASTC_6x6;
511 case MESA_FORMAT_RGBA_ASTC_8x5:
512 if (!st->has_astc_2d_ldr)
513 return PIPE_FORMAT_R8G8B8A8_UNORM;
514 return PIPE_FORMAT_ASTC_8x5;
515 case MESA_FORMAT_RGBA_ASTC_8x6:
516 if (!st->has_astc_2d_ldr)
517 return PIPE_FORMAT_R8G8B8A8_UNORM;
518 return PIPE_FORMAT_ASTC_8x6;
519 case MESA_FORMAT_RGBA_ASTC_8x8:
520 if (!st->has_astc_2d_ldr)
521 return PIPE_FORMAT_R8G8B8A8_UNORM;
522 return PIPE_FORMAT_ASTC_8x8;
523 case MESA_FORMAT_RGBA_ASTC_10x5:
524 if (!st->has_astc_2d_ldr)
525 return PIPE_FORMAT_R8G8B8A8_UNORM;
526 return PIPE_FORMAT_ASTC_10x5;
527 case MESA_FORMAT_RGBA_ASTC_10x6:
528 if (!st->has_astc_2d_ldr)
529 return PIPE_FORMAT_R8G8B8A8_UNORM;
530 return PIPE_FORMAT_ASTC_10x6;
531 case MESA_FORMAT_RGBA_ASTC_10x8:
532 if (!st->has_astc_2d_ldr)
533 return PIPE_FORMAT_R8G8B8A8_UNORM;
534 return PIPE_FORMAT_ASTC_10x8;
535 case MESA_FORMAT_RGBA_ASTC_10x10:
536 if (!st->has_astc_2d_ldr)
537 return PIPE_FORMAT_R8G8B8A8_UNORM;
538 return PIPE_FORMAT_ASTC_10x10;
539 case MESA_FORMAT_RGBA_ASTC_12x10:
540 if (!st->has_astc_2d_ldr)
541 return PIPE_FORMAT_R8G8B8A8_UNORM;
542 return PIPE_FORMAT_ASTC_12x10;
543 case MESA_FORMAT_RGBA_ASTC_12x12:
544 if (!st->has_astc_2d_ldr)
545 return PIPE_FORMAT_R8G8B8A8_UNORM;
546 return PIPE_FORMAT_ASTC_12x12;
547
548 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4:
549 if (!st->has_astc_2d_ldr)
550 return PIPE_FORMAT_R8G8B8A8_SRGB;
551 return PIPE_FORMAT_ASTC_4x4_SRGB;
552 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4:
553 if (!st->has_astc_2d_ldr)
554 return PIPE_FORMAT_R8G8B8A8_SRGB;
555 return PIPE_FORMAT_ASTC_5x4_SRGB;
556 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5:
557 if (!st->has_astc_2d_ldr)
558 return PIPE_FORMAT_R8G8B8A8_SRGB;
559 return PIPE_FORMAT_ASTC_5x5_SRGB;
560 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5:
561 if (!st->has_astc_2d_ldr)
562 return PIPE_FORMAT_R8G8B8A8_SRGB;
563 return PIPE_FORMAT_ASTC_6x5_SRGB;
564 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6:
565 if (!st->has_astc_2d_ldr)
566 return PIPE_FORMAT_R8G8B8A8_SRGB;
567 return PIPE_FORMAT_ASTC_6x6_SRGB;
568 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5:
569 if (!st->has_astc_2d_ldr)
570 return PIPE_FORMAT_R8G8B8A8_SRGB;
571 return PIPE_FORMAT_ASTC_8x5_SRGB;
572 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6:
573 if (!st->has_astc_2d_ldr)
574 return PIPE_FORMAT_R8G8B8A8_SRGB;
575 return PIPE_FORMAT_ASTC_8x6_SRGB;
576 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8:
577 if (!st->has_astc_2d_ldr)
578 return PIPE_FORMAT_R8G8B8A8_SRGB;
579 return PIPE_FORMAT_ASTC_8x8_SRGB;
580 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5:
581 if (!st->has_astc_2d_ldr)
582 return PIPE_FORMAT_R8G8B8A8_SRGB;
583 return PIPE_FORMAT_ASTC_10x5_SRGB;
584 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6:
585 if (!st->has_astc_2d_ldr)
586 return PIPE_FORMAT_R8G8B8A8_SRGB;
587 return PIPE_FORMAT_ASTC_10x6_SRGB;
588 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8:
589 if (!st->has_astc_2d_ldr)
590 return PIPE_FORMAT_R8G8B8A8_SRGB;
591 return PIPE_FORMAT_ASTC_10x8_SRGB;
592 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10:
593 if (!st->has_astc_2d_ldr)
594 return PIPE_FORMAT_R8G8B8A8_SRGB;
595 return PIPE_FORMAT_ASTC_10x10_SRGB;
596 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10:
597 if (!st->has_astc_2d_ldr)
598 return PIPE_FORMAT_R8G8B8A8_SRGB;
599 return PIPE_FORMAT_ASTC_12x10_SRGB;
600 case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12:
601 if (!st->has_astc_2d_ldr)
602 return PIPE_FORMAT_R8G8B8A8_SRGB;
603 return PIPE_FORMAT_ASTC_12x12_SRGB;
604
605 default:
606 return PIPE_FORMAT_NONE;
607 }
608 }
609
610
611 /**
612 * Translate Gallium format to Mesa format.
613 */
614 mesa_format
615 st_pipe_format_to_mesa_format(enum pipe_format format)
616 {
617 switch (format) {
618 case PIPE_FORMAT_ABGR8888_UNORM:
619 return MESA_FORMAT_A8B8G8R8_UNORM;
620 case PIPE_FORMAT_RGBA8888_UNORM:
621 return MESA_FORMAT_R8G8B8A8_UNORM;
622 case PIPE_FORMAT_BGRA8888_UNORM:
623 return MESA_FORMAT_B8G8R8A8_UNORM;
624 case PIPE_FORMAT_ARGB8888_UNORM:
625 return MESA_FORMAT_A8R8G8B8_UNORM;
626 case PIPE_FORMAT_XBGR8888_UNORM:
627 return MESA_FORMAT_X8B8G8R8_UNORM;
628 case PIPE_FORMAT_RGBX8888_UNORM:
629 return MESA_FORMAT_R8G8B8X8_UNORM;
630 case PIPE_FORMAT_BGRX8888_UNORM:
631 return MESA_FORMAT_B8G8R8X8_UNORM;
632 case PIPE_FORMAT_XRGB8888_UNORM:
633 return MESA_FORMAT_X8R8G8B8_UNORM;
634 case PIPE_FORMAT_B5G5R5A1_UNORM:
635 return MESA_FORMAT_B5G5R5A1_UNORM;
636 case PIPE_FORMAT_A1B5G5R5_UNORM:
637 return MESA_FORMAT_A1B5G5R5_UNORM;
638 case PIPE_FORMAT_B4G4R4A4_UNORM:
639 return MESA_FORMAT_B4G4R4A4_UNORM;
640 case PIPE_FORMAT_A4B4G4R4_UNORM:
641 return MESA_FORMAT_A4B4G4R4_UNORM;
642 case PIPE_FORMAT_B5G6R5_UNORM:
643 return MESA_FORMAT_B5G6R5_UNORM;
644 case PIPE_FORMAT_B2G3R3_UNORM:
645 return MESA_FORMAT_B2G3R3_UNORM;
646 case PIPE_FORMAT_B10G10R10A2_UNORM:
647 return MESA_FORMAT_B10G10R10A2_UNORM;
648 case PIPE_FORMAT_R10G10B10A2_UNORM:
649 return MESA_FORMAT_R10G10B10A2_UNORM;
650 case PIPE_FORMAT_R10G10B10X2_UNORM:
651 return MESA_FORMAT_R10G10B10X2_UNORM;
652 case PIPE_FORMAT_L4A4_UNORM:
653 return MESA_FORMAT_L4A4_UNORM;
654 case PIPE_FORMAT_LA88_UNORM:
655 return MESA_FORMAT_L8A8_UNORM;
656 case PIPE_FORMAT_AL88_UNORM:
657 return MESA_FORMAT_A8L8_UNORM;
658 case PIPE_FORMAT_LA1616_UNORM:
659 return MESA_FORMAT_L16A16_UNORM;
660 case PIPE_FORMAT_AL1616_UNORM:
661 return MESA_FORMAT_A16L16_UNORM;
662 case PIPE_FORMAT_A8_UNORM:
663 return MESA_FORMAT_A_UNORM8;
664 case PIPE_FORMAT_A16_UNORM:
665 return MESA_FORMAT_A_UNORM16;
666 case PIPE_FORMAT_L8_UNORM:
667 return MESA_FORMAT_L_UNORM8;
668 case PIPE_FORMAT_L16_UNORM:
669 return MESA_FORMAT_L_UNORM16;
670 case PIPE_FORMAT_I8_UNORM:
671 return MESA_FORMAT_I_UNORM8;
672 case PIPE_FORMAT_I16_UNORM:
673 return MESA_FORMAT_I_UNORM16;
674 case PIPE_FORMAT_S8_UINT:
675 return MESA_FORMAT_S_UINT8;
676
677 case PIPE_FORMAT_R16G16B16A16_UNORM:
678 return MESA_FORMAT_RGBA_UNORM16;
679
680 case PIPE_FORMAT_Z16_UNORM:
681 return MESA_FORMAT_Z_UNORM16;
682 case PIPE_FORMAT_Z32_UNORM:
683 return MESA_FORMAT_Z_UNORM32;
684 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
685 return MESA_FORMAT_S8_UINT_Z24_UNORM;
686 case PIPE_FORMAT_X8Z24_UNORM:
687 return MESA_FORMAT_X8_UINT_Z24_UNORM;
688 case PIPE_FORMAT_Z24X8_UNORM:
689 return MESA_FORMAT_Z24_UNORM_X8_UINT;
690 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
691 return MESA_FORMAT_Z24_UNORM_S8_UINT;
692 case PIPE_FORMAT_Z32_FLOAT:
693 return MESA_FORMAT_Z_FLOAT32;
694 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
695 return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
696
697 case PIPE_FORMAT_UYVY:
698 return MESA_FORMAT_YCBCR;
699 case PIPE_FORMAT_YUYV:
700 return MESA_FORMAT_YCBCR_REV;
701
702 case PIPE_FORMAT_DXT1_RGB:
703 return MESA_FORMAT_RGB_DXT1;
704 case PIPE_FORMAT_DXT1_RGBA:
705 return MESA_FORMAT_RGBA_DXT1;
706 case PIPE_FORMAT_DXT3_RGBA:
707 return MESA_FORMAT_RGBA_DXT3;
708 case PIPE_FORMAT_DXT5_RGBA:
709 return MESA_FORMAT_RGBA_DXT5;
710 case PIPE_FORMAT_DXT1_SRGB:
711 return MESA_FORMAT_SRGB_DXT1;
712 case PIPE_FORMAT_DXT1_SRGBA:
713 return MESA_FORMAT_SRGBA_DXT1;
714 case PIPE_FORMAT_DXT3_SRGBA:
715 return MESA_FORMAT_SRGBA_DXT3;
716 case PIPE_FORMAT_DXT5_SRGBA:
717 return MESA_FORMAT_SRGBA_DXT5;
718 case PIPE_FORMAT_LA88_SRGB:
719 return MESA_FORMAT_L8A8_SRGB;
720 case PIPE_FORMAT_AL88_SRGB:
721 return MESA_FORMAT_A8L8_SRGB;
722 case PIPE_FORMAT_L8_SRGB:
723 return MESA_FORMAT_L_SRGB8;
724 case PIPE_FORMAT_R8_SRGB:
725 return MESA_FORMAT_R_SRGB8;
726 case PIPE_FORMAT_R8G8B8_SRGB:
727 return MESA_FORMAT_BGR_SRGB8;
728 case PIPE_FORMAT_ABGR8888_SRGB:
729 return MESA_FORMAT_A8B8G8R8_SRGB;
730 case PIPE_FORMAT_RGBA8888_SRGB:
731 return MESA_FORMAT_R8G8B8A8_SRGB;
732 case PIPE_FORMAT_BGRA8888_SRGB:
733 return MESA_FORMAT_B8G8R8A8_SRGB;
734 case PIPE_FORMAT_ARGB8888_SRGB:
735 return MESA_FORMAT_A8R8G8B8_SRGB;
736 case PIPE_FORMAT_R32G32B32A32_FLOAT:
737 return MESA_FORMAT_RGBA_FLOAT32;
738 case PIPE_FORMAT_R16G16B16A16_FLOAT:
739 return MESA_FORMAT_RGBA_FLOAT16;
740 case PIPE_FORMAT_R32G32B32_FLOAT:
741 return MESA_FORMAT_RGB_FLOAT32;
742 case PIPE_FORMAT_R16G16B16_FLOAT:
743 return MESA_FORMAT_RGB_FLOAT16;
744 case PIPE_FORMAT_L32A32_FLOAT:
745 return MESA_FORMAT_LA_FLOAT32;
746 case PIPE_FORMAT_L16A16_FLOAT:
747 return MESA_FORMAT_LA_FLOAT16;
748 case PIPE_FORMAT_L32_FLOAT:
749 return MESA_FORMAT_L_FLOAT32;
750 case PIPE_FORMAT_L16_FLOAT:
751 return MESA_FORMAT_L_FLOAT16;
752 case PIPE_FORMAT_A32_FLOAT:
753 return MESA_FORMAT_A_FLOAT32;
754 case PIPE_FORMAT_A16_FLOAT:
755 return MESA_FORMAT_A_FLOAT16;
756 case PIPE_FORMAT_I32_FLOAT:
757 return MESA_FORMAT_I_FLOAT32;
758 case PIPE_FORMAT_I16_FLOAT:
759 return MESA_FORMAT_I_FLOAT16;
760 case PIPE_FORMAT_R32_FLOAT:
761 return MESA_FORMAT_R_FLOAT32;
762 case PIPE_FORMAT_R16_FLOAT:
763 return MESA_FORMAT_R_FLOAT16;
764 case PIPE_FORMAT_R32G32_FLOAT:
765 return MESA_FORMAT_RG_FLOAT32;
766 case PIPE_FORMAT_R16G16_FLOAT:
767 return MESA_FORMAT_RG_FLOAT16;
768
769 case PIPE_FORMAT_R8_UNORM:
770 return MESA_FORMAT_R_UNORM8;
771 case PIPE_FORMAT_R16_UNORM:
772 return MESA_FORMAT_R_UNORM16;
773 case PIPE_FORMAT_RG88_UNORM:
774 return MESA_FORMAT_R8G8_UNORM;
775 case PIPE_FORMAT_GR88_UNORM:
776 return MESA_FORMAT_G8R8_UNORM;
777 case PIPE_FORMAT_RG1616_UNORM:
778 return MESA_FORMAT_R16G16_UNORM;
779 case PIPE_FORMAT_GR1616_UNORM:
780 return MESA_FORMAT_G16R16_UNORM;
781
782 case PIPE_FORMAT_A8_UINT:
783 return MESA_FORMAT_A_UINT8;
784 case PIPE_FORMAT_A16_UINT:
785 return MESA_FORMAT_A_UINT16;
786 case PIPE_FORMAT_A32_UINT:
787 return MESA_FORMAT_A_UINT32;
788 case PIPE_FORMAT_A8_SINT:
789 return MESA_FORMAT_A_SINT8;
790 case PIPE_FORMAT_A16_SINT:
791 return MESA_FORMAT_A_SINT16;
792 case PIPE_FORMAT_A32_SINT:
793 return MESA_FORMAT_A_SINT32;
794
795 case PIPE_FORMAT_I8_UINT:
796 return MESA_FORMAT_I_UINT8;
797 case PIPE_FORMAT_I16_UINT:
798 return MESA_FORMAT_I_UINT16;
799 case PIPE_FORMAT_I32_UINT:
800 return MESA_FORMAT_I_UINT32;
801 case PIPE_FORMAT_I8_SINT:
802 return MESA_FORMAT_I_SINT8;
803 case PIPE_FORMAT_I16_SINT:
804 return MESA_FORMAT_I_SINT16;
805 case PIPE_FORMAT_I32_SINT:
806 return MESA_FORMAT_I_SINT32;
807
808 case PIPE_FORMAT_L8_UINT:
809 return MESA_FORMAT_L_UINT8;
810 case PIPE_FORMAT_L16_UINT:
811 return MESA_FORMAT_L_UINT16;
812 case PIPE_FORMAT_L32_UINT:
813 return MESA_FORMAT_L_UINT32;
814 case PIPE_FORMAT_L8_SINT:
815 return MESA_FORMAT_L_SINT8;
816 case PIPE_FORMAT_L16_SINT:
817 return MESA_FORMAT_L_SINT16;
818 case PIPE_FORMAT_L32_SINT:
819 return MESA_FORMAT_L_SINT32;
820
821 case PIPE_FORMAT_L8A8_UINT:
822 return MESA_FORMAT_LA_UINT8;
823 case PIPE_FORMAT_L16A16_UINT:
824 return MESA_FORMAT_LA_UINT16;
825 case PIPE_FORMAT_L32A32_UINT:
826 return MESA_FORMAT_LA_UINT32;
827 case PIPE_FORMAT_L8A8_SINT:
828 return MESA_FORMAT_LA_SINT8;
829 case PIPE_FORMAT_L16A16_SINT:
830 return MESA_FORMAT_LA_SINT16;
831 case PIPE_FORMAT_L32A32_SINT:
832 return MESA_FORMAT_LA_SINT32;
833
834 case PIPE_FORMAT_R8_SINT:
835 return MESA_FORMAT_R_SINT8;
836 case PIPE_FORMAT_R8G8_SINT:
837 return MESA_FORMAT_RG_SINT8;
838 case PIPE_FORMAT_R8G8B8_SINT:
839 return MESA_FORMAT_RGB_SINT8;
840 case PIPE_FORMAT_R8G8B8A8_SINT:
841 return MESA_FORMAT_RGBA_SINT8;
842
843 case PIPE_FORMAT_R16_SINT:
844 return MESA_FORMAT_R_SINT16;
845 case PIPE_FORMAT_R16G16_SINT:
846 return MESA_FORMAT_RG_SINT16;
847 case PIPE_FORMAT_R16G16B16_SINT:
848 return MESA_FORMAT_RGB_SINT16;
849 case PIPE_FORMAT_R16G16B16A16_SINT:
850 return MESA_FORMAT_RGBA_SINT16;
851
852 case PIPE_FORMAT_R32_SINT:
853 return MESA_FORMAT_R_SINT32;
854 case PIPE_FORMAT_R32G32_SINT:
855 return MESA_FORMAT_RG_SINT32;
856 case PIPE_FORMAT_R32G32B32_SINT:
857 return MESA_FORMAT_RGB_SINT32;
858 case PIPE_FORMAT_R32G32B32A32_SINT:
859 return MESA_FORMAT_RGBA_SINT32;
860
861 /* unsigned int formats */
862 case PIPE_FORMAT_R8_UINT:
863 return MESA_FORMAT_R_UINT8;
864 case PIPE_FORMAT_R8G8_UINT:
865 return MESA_FORMAT_RG_UINT8;
866 case PIPE_FORMAT_R8G8B8_UINT:
867 return MESA_FORMAT_RGB_UINT8;
868 case PIPE_FORMAT_R8G8B8A8_UINT:
869 return MESA_FORMAT_RGBA_UINT8;
870
871 case PIPE_FORMAT_R16_UINT:
872 return MESA_FORMAT_R_UINT16;
873 case PIPE_FORMAT_R16G16_UINT:
874 return MESA_FORMAT_RG_UINT16;
875 case PIPE_FORMAT_R16G16B16_UINT:
876 return MESA_FORMAT_RGB_UINT16;
877 case PIPE_FORMAT_R16G16B16A16_UINT:
878 return MESA_FORMAT_RGBA_UINT16;
879
880 case PIPE_FORMAT_R32_UINT:
881 return MESA_FORMAT_R_UINT32;
882 case PIPE_FORMAT_R32G32_UINT:
883 return MESA_FORMAT_RG_UINT32;
884 case PIPE_FORMAT_R32G32B32_UINT:
885 return MESA_FORMAT_RGB_UINT32;
886 case PIPE_FORMAT_R32G32B32A32_UINT:
887 return MESA_FORMAT_RGBA_UINT32;
888
889 case PIPE_FORMAT_RGTC1_UNORM:
890 return MESA_FORMAT_R_RGTC1_UNORM;
891 case PIPE_FORMAT_RGTC1_SNORM:
892 return MESA_FORMAT_R_RGTC1_SNORM;
893 case PIPE_FORMAT_RGTC2_UNORM:
894 return MESA_FORMAT_RG_RGTC2_UNORM;
895 case PIPE_FORMAT_RGTC2_SNORM:
896 return MESA_FORMAT_RG_RGTC2_SNORM;
897
898 case PIPE_FORMAT_LATC1_UNORM:
899 return MESA_FORMAT_L_LATC1_UNORM;
900 case PIPE_FORMAT_LATC1_SNORM:
901 return MESA_FORMAT_L_LATC1_SNORM;
902 case PIPE_FORMAT_LATC2_UNORM:
903 return MESA_FORMAT_LA_LATC2_UNORM;
904 case PIPE_FORMAT_LATC2_SNORM:
905 return MESA_FORMAT_LA_LATC2_SNORM;
906
907 case PIPE_FORMAT_ETC1_RGB8:
908 return MESA_FORMAT_ETC1_RGB8;
909
910 case PIPE_FORMAT_BPTC_RGBA_UNORM:
911 return MESA_FORMAT_BPTC_RGBA_UNORM;
912 case PIPE_FORMAT_BPTC_SRGBA:
913 return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM;
914 case PIPE_FORMAT_BPTC_RGB_FLOAT:
915 return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT;
916 case PIPE_FORMAT_BPTC_RGB_UFLOAT:
917 return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT;
918
919 /* signed normalized formats */
920 case PIPE_FORMAT_R8_SNORM:
921 return MESA_FORMAT_R_SNORM8;
922 case PIPE_FORMAT_RG88_SNORM:
923 return MESA_FORMAT_R8G8_SNORM;
924 case PIPE_FORMAT_GR88_SNORM:
925 return MESA_FORMAT_G8R8_SNORM;
926 case PIPE_FORMAT_RGBA8888_SNORM:
927 return MESA_FORMAT_R8G8B8A8_SNORM;
928 case PIPE_FORMAT_ABGR8888_SNORM:
929 return MESA_FORMAT_A8B8G8R8_SNORM;
930
931 case PIPE_FORMAT_A8_SNORM:
932 return MESA_FORMAT_A_SNORM8;
933 case PIPE_FORMAT_L8_SNORM:
934 return MESA_FORMAT_L_SNORM8;
935 case PIPE_FORMAT_LA88_SNORM:
936 return MESA_FORMAT_L8A8_SNORM;
937 case PIPE_FORMAT_AL88_SNORM:
938 return MESA_FORMAT_A8L8_SNORM;
939 case PIPE_FORMAT_I8_SNORM:
940 return MESA_FORMAT_I_SNORM8;
941
942 case PIPE_FORMAT_R16_SNORM:
943 return MESA_FORMAT_R_SNORM16;
944 case PIPE_FORMAT_RG1616_SNORM:
945 return MESA_FORMAT_R16G16_SNORM;
946 case PIPE_FORMAT_GR1616_SNORM:
947 return MESA_FORMAT_G16R16_SNORM;
948 case PIPE_FORMAT_R16G16B16A16_SNORM:
949 return MESA_FORMAT_RGBA_SNORM16;
950
951 case PIPE_FORMAT_A16_SNORM:
952 return MESA_FORMAT_A_SNORM16;
953 case PIPE_FORMAT_L16_SNORM:
954 return MESA_FORMAT_L_SNORM16;
955 case PIPE_FORMAT_L16A16_SNORM:
956 return MESA_FORMAT_LA_SNORM16;
957 case PIPE_FORMAT_I16_SNORM:
958 return MESA_FORMAT_I_SNORM16;
959
960 case PIPE_FORMAT_R9G9B9E5_FLOAT:
961 return MESA_FORMAT_R9G9B9E5_FLOAT;
962 case PIPE_FORMAT_R11G11B10_FLOAT:
963 return MESA_FORMAT_R11G11B10_FLOAT;
964
965 case PIPE_FORMAT_B10G10R10A2_UINT:
966 return MESA_FORMAT_B10G10R10A2_UINT;
967 case PIPE_FORMAT_R10G10B10A2_UINT:
968 return MESA_FORMAT_R10G10B10A2_UINT;
969
970 case PIPE_FORMAT_B4G4R4X4_UNORM:
971 return MESA_FORMAT_B4G4R4X4_UNORM;
972 case PIPE_FORMAT_B5G5R5X1_UNORM:
973 return MESA_FORMAT_B5G5R5X1_UNORM;
974 case PIPE_FORMAT_X1B5G5R5_UNORM:
975 return MESA_FORMAT_X1B5G5R5_UNORM;
976 case PIPE_FORMAT_RGBX8888_SNORM:
977 return MESA_FORMAT_R8G8B8X8_SNORM;
978 case PIPE_FORMAT_XBGR8888_SNORM:
979 return MESA_FORMAT_X8B8G8R8_SNORM;
980 case PIPE_FORMAT_RGBX8888_SRGB:
981 return MESA_FORMAT_R8G8B8X8_SRGB;
982 case PIPE_FORMAT_XBGR8888_SRGB:
983 return MESA_FORMAT_X8B8G8R8_SRGB;
984 case PIPE_FORMAT_R8G8B8X8_UINT:
985 return MESA_FORMAT_RGBX_UINT8;
986 case PIPE_FORMAT_R8G8B8X8_SINT:
987 return MESA_FORMAT_RGBX_SINT8;
988 case PIPE_FORMAT_B10G10R10X2_UNORM:
989 return MESA_FORMAT_B10G10R10X2_UNORM;
990 case PIPE_FORMAT_R16G16B16X16_UNORM:
991 return MESA_FORMAT_RGBX_UNORM16;
992 case PIPE_FORMAT_R16G16B16X16_SNORM:
993 return MESA_FORMAT_RGBX_SNORM16;
994 case PIPE_FORMAT_R16G16B16X16_FLOAT:
995 return MESA_FORMAT_RGBX_FLOAT16;
996 case PIPE_FORMAT_R16G16B16X16_UINT:
997 return MESA_FORMAT_RGBX_UINT16;
998 case PIPE_FORMAT_R16G16B16X16_SINT:
999 return MESA_FORMAT_RGBX_SINT16;
1000 case PIPE_FORMAT_R32G32B32X32_FLOAT:
1001 return MESA_FORMAT_RGBX_FLOAT32;
1002 case PIPE_FORMAT_R32G32B32X32_UINT:
1003 return MESA_FORMAT_RGBX_UINT32;
1004 case PIPE_FORMAT_R32G32B32X32_SINT:
1005 return MESA_FORMAT_RGBX_SINT32;
1006
1007 case PIPE_FORMAT_BGRX8888_SRGB:
1008 return MESA_FORMAT_B8G8R8X8_SRGB;
1009 case PIPE_FORMAT_XRGB8888_SRGB:
1010 return MESA_FORMAT_X8R8G8B8_SRGB;
1011
1012 case PIPE_FORMAT_ETC2_RGB8:
1013 return MESA_FORMAT_ETC2_RGB8;
1014 case PIPE_FORMAT_ETC2_SRGB8:
1015 return MESA_FORMAT_ETC2_SRGB8;
1016 case PIPE_FORMAT_ETC2_RGB8A1:
1017 return MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
1018 case PIPE_FORMAT_ETC2_SRGB8A1:
1019 return MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1;
1020 case PIPE_FORMAT_ETC2_RGBA8:
1021 return MESA_FORMAT_ETC2_RGBA8_EAC;
1022 case PIPE_FORMAT_ETC2_SRGBA8:
1023 return MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC;
1024 case PIPE_FORMAT_ETC2_R11_UNORM:
1025 return MESA_FORMAT_ETC2_R11_EAC;
1026 case PIPE_FORMAT_ETC2_R11_SNORM:
1027 return MESA_FORMAT_ETC2_SIGNED_R11_EAC;
1028 case PIPE_FORMAT_ETC2_RG11_UNORM:
1029 return MESA_FORMAT_ETC2_RG11_EAC;
1030 case PIPE_FORMAT_ETC2_RG11_SNORM:
1031 return MESA_FORMAT_ETC2_SIGNED_RG11_EAC;
1032
1033 case PIPE_FORMAT_ASTC_4x4:
1034 return MESA_FORMAT_RGBA_ASTC_4x4;
1035 case PIPE_FORMAT_ASTC_5x4:
1036 return MESA_FORMAT_RGBA_ASTC_5x4;
1037 case PIPE_FORMAT_ASTC_5x5:
1038 return MESA_FORMAT_RGBA_ASTC_5x5;
1039 case PIPE_FORMAT_ASTC_6x5:
1040 return MESA_FORMAT_RGBA_ASTC_6x5;
1041 case PIPE_FORMAT_ASTC_6x6:
1042 return MESA_FORMAT_RGBA_ASTC_6x6;
1043 case PIPE_FORMAT_ASTC_8x5:
1044 return MESA_FORMAT_RGBA_ASTC_8x5;
1045 case PIPE_FORMAT_ASTC_8x6:
1046 return MESA_FORMAT_RGBA_ASTC_8x6;
1047 case PIPE_FORMAT_ASTC_8x8:
1048 return MESA_FORMAT_RGBA_ASTC_8x8;
1049 case PIPE_FORMAT_ASTC_10x5:
1050 return MESA_FORMAT_RGBA_ASTC_10x5;
1051 case PIPE_FORMAT_ASTC_10x6:
1052 return MESA_FORMAT_RGBA_ASTC_10x6;
1053 case PIPE_FORMAT_ASTC_10x8:
1054 return MESA_FORMAT_RGBA_ASTC_10x8;
1055 case PIPE_FORMAT_ASTC_10x10:
1056 return MESA_FORMAT_RGBA_ASTC_10x10;
1057 case PIPE_FORMAT_ASTC_12x10:
1058 return MESA_FORMAT_RGBA_ASTC_12x10;
1059 case PIPE_FORMAT_ASTC_12x12:
1060 return MESA_FORMAT_RGBA_ASTC_12x12;
1061
1062 case PIPE_FORMAT_ASTC_4x4_SRGB:
1063 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4;
1064 case PIPE_FORMAT_ASTC_5x4_SRGB:
1065 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4;
1066 case PIPE_FORMAT_ASTC_5x5_SRGB:
1067 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5;
1068 case PIPE_FORMAT_ASTC_6x5_SRGB:
1069 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5;
1070 case PIPE_FORMAT_ASTC_6x6_SRGB:
1071 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6;
1072 case PIPE_FORMAT_ASTC_8x5_SRGB:
1073 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5;
1074 case PIPE_FORMAT_ASTC_8x6_SRGB:
1075 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6;
1076 case PIPE_FORMAT_ASTC_8x8_SRGB:
1077 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8;
1078 case PIPE_FORMAT_ASTC_10x5_SRGB:
1079 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5;
1080 case PIPE_FORMAT_ASTC_10x6_SRGB:
1081 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6;
1082 case PIPE_FORMAT_ASTC_10x8_SRGB:
1083 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8;
1084 case PIPE_FORMAT_ASTC_10x10_SRGB:
1085 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10;
1086 case PIPE_FORMAT_ASTC_12x10_SRGB:
1087 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10;
1088 case PIPE_FORMAT_ASTC_12x12_SRGB:
1089 return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12;
1090
1091 default:
1092 return MESA_FORMAT_NONE;
1093 }
1094 }
1095
1096
1097 /**
1098 * Debug only: check that the two functions above correctly map
1099 * Mesa formats to Gallium formats and back again.
1100 */
1101 static void
1102 test_format_conversion(struct st_context *st)
1103 {
1104 GLuint i;
1105
1106 /* test all Mesa formats */
1107 for (i = 1; i < MESA_FORMAT_COUNT; i++) {
1108 enum pipe_format pf;
1109
1110 if (st_compressed_format_fallback(st, i))
1111 continue;
1112
1113 pf = st_mesa_format_to_pipe_format(st, i);
1114 if (pf != PIPE_FORMAT_NONE) {
1115 mesa_format MAYBE_UNUSED mf = st_pipe_format_to_mesa_format(pf);
1116 assert(mf == i);
1117 }
1118 }
1119
1120 /* Test all Gallium formats */
1121 for (i = 1; i < PIPE_FORMAT_COUNT; i++) {
1122 mesa_format mf = st_pipe_format_to_mesa_format(i);
1123 if (st_compressed_format_fallback(st, mf))
1124 continue;
1125
1126 if (mf != MESA_FORMAT_NONE) {
1127 enum pipe_format MAYBE_UNUSED pf =
1128 st_mesa_format_to_pipe_format(st, mf);
1129 assert(pf == i);
1130 }
1131 }
1132 }
1133
1134
1135 /**
1136 * Map GL texture formats to Gallium pipe formats.
1137 */
1138 struct format_mapping
1139 {
1140 GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
1141 enum pipe_format pipeFormats[14]; /**< list of pipe formats, 0-terminated */
1142 };
1143
1144
1145 #define DEFAULT_RGBA_FORMATS \
1146 PIPE_FORMAT_R8G8B8A8_UNORM, \
1147 PIPE_FORMAT_B8G8R8A8_UNORM, \
1148 PIPE_FORMAT_A8R8G8B8_UNORM, \
1149 PIPE_FORMAT_A8B8G8R8_UNORM, \
1150 0
1151
1152 #define DEFAULT_RGB_FORMATS \
1153 PIPE_FORMAT_R8G8B8X8_UNORM, \
1154 PIPE_FORMAT_B8G8R8X8_UNORM, \
1155 PIPE_FORMAT_X8R8G8B8_UNORM, \
1156 PIPE_FORMAT_X8B8G8R8_UNORM, \
1157 PIPE_FORMAT_B5G6R5_UNORM, \
1158 DEFAULT_RGBA_FORMATS
1159
1160 #define DEFAULT_SRGBA_FORMATS \
1161 PIPE_FORMAT_R8G8B8A8_SRGB, \
1162 PIPE_FORMAT_B8G8R8A8_SRGB, \
1163 PIPE_FORMAT_A8R8G8B8_SRGB, \
1164 PIPE_FORMAT_A8B8G8R8_SRGB, \
1165 0
1166
1167 #define DEFAULT_DEPTH_FORMATS \
1168 PIPE_FORMAT_Z24X8_UNORM, \
1169 PIPE_FORMAT_X8Z24_UNORM, \
1170 PIPE_FORMAT_Z16_UNORM, \
1171 PIPE_FORMAT_Z24_UNORM_S8_UINT, \
1172 PIPE_FORMAT_S8_UINT_Z24_UNORM, \
1173 0
1174
1175 #define DEFAULT_SNORM8_RGBA_FORMATS \
1176 PIPE_FORMAT_R8G8B8A8_SNORM, \
1177 0
1178
1179 #define DEFAULT_UNORM16_RGBA_FORMATS \
1180 PIPE_FORMAT_R16G16B16A16_UNORM, \
1181 DEFAULT_RGBA_FORMATS
1182
1183
1184 /**
1185 * This table maps OpenGL texture format enums to Gallium pipe_format enums.
1186 * Multiple GL enums might map to multiple pipe_formats.
1187 * The first pipe format in the list that's supported is the one that's chosen.
1188 */
1189 static const struct format_mapping format_map[] = {
1190 /* Basic RGB, RGBA formats */
1191 {
1192 { GL_RGB10, 0 },
1193 { PIPE_FORMAT_R10G10B10X2_UNORM, PIPE_FORMAT_B10G10R10X2_UNORM,
1194 PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
1195 DEFAULT_RGB_FORMATS }
1196 },
1197 {
1198 { GL_RGB10_A2, 0 },
1199 { PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM,
1200 DEFAULT_RGBA_FORMATS }
1201 },
1202 {
1203 { 4, GL_RGBA, GL_RGBA8, 0 },
1204 { PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
1205 },
1206 {
1207 { GL_BGRA, 0 },
1208 { DEFAULT_RGBA_FORMATS }
1209 },
1210 {
1211 { 3, GL_RGB, GL_RGB8, 0 },
1212 { PIPE_FORMAT_R8G8B8X8_UNORM, DEFAULT_RGB_FORMATS }
1213 },
1214 {
1215 { GL_RGB12, GL_RGB16, 0 },
1216 { PIPE_FORMAT_R16G16B16X16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1217 DEFAULT_RGB_FORMATS }
1218 },
1219 {
1220 { GL_RGBA12, GL_RGBA16, 0 },
1221 { PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
1222 },
1223 {
1224 { GL_RGBA4, GL_RGBA2, 0 },
1225 { PIPE_FORMAT_B4G4R4A4_UNORM, PIPE_FORMAT_A4B4G4R4_UNORM,
1226 DEFAULT_RGBA_FORMATS }
1227 },
1228 {
1229 { GL_RGB5_A1, 0 },
1230 { PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
1231 DEFAULT_RGBA_FORMATS }
1232 },
1233 {
1234 { GL_R3_G3_B2, 0 },
1235 { PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
1236 PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGB_FORMATS }
1237 },
1238 {
1239 { GL_RGB4 },
1240 { PIPE_FORMAT_B4G4R4X4_UNORM, PIPE_FORMAT_B4G4R4A4_UNORM,
1241 PIPE_FORMAT_A4B4G4R4_UNORM,
1242 DEFAULT_RGB_FORMATS }
1243 },
1244 {
1245 { GL_RGB5 },
1246 { PIPE_FORMAT_B5G5R5X1_UNORM, PIPE_FORMAT_X1B5G5R5_UNORM,
1247 PIPE_FORMAT_B5G5R5A1_UNORM, PIPE_FORMAT_A1B5G5R5_UNORM,
1248 DEFAULT_RGB_FORMATS }
1249 },
1250 {
1251 { GL_RGB565 },
1252 { PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGB_FORMATS }
1253 },
1254
1255 /* basic Alpha formats */
1256 {
1257 { GL_ALPHA12, GL_ALPHA16, 0 },
1258 { PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1259 PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
1260 },
1261 {
1262 { GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
1263 { PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
1264 },
1265
1266 /* basic Luminance formats */
1267 {
1268 { GL_LUMINANCE12, GL_LUMINANCE16, 0 },
1269 { PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1270 PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
1271 },
1272 {
1273 { 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
1274 { PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGB_FORMATS }
1275 },
1276
1277 /* basic Luminance/Alpha formats */
1278 {
1279 { GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
1280 GL_LUMINANCE16_ALPHA16, 0},
1281 { PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1282 PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1283 },
1284 {
1285 { 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
1286 { PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1287 },
1288 {
1289 { GL_LUMINANCE4_ALPHA4, 0 },
1290 { PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
1291 DEFAULT_RGBA_FORMATS }
1292 },
1293
1294 /* basic Intensity formats */
1295 {
1296 { GL_INTENSITY12, GL_INTENSITY16, 0 },
1297 { PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_R16G16B16A16_UNORM,
1298 PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
1299 },
1300 {
1301 { GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
1302 GL_COMPRESSED_INTENSITY, 0 },
1303 { PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
1304 },
1305
1306 /* YCbCr */
1307 {
1308 { GL_YCBCR_MESA, 0 },
1309 { PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
1310 },
1311
1312 /* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
1313 {
1314 { GL_COMPRESSED_RGB, 0 },
1315 { PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
1316 },
1317 {
1318 { GL_COMPRESSED_RGBA, 0 },
1319 { PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
1320 },
1321 {
1322 { GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
1323 { PIPE_FORMAT_DXT1_RGB, 0 }
1324 },
1325 {
1326 { GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
1327 { PIPE_FORMAT_DXT1_RGBA, 0 }
1328 },
1329 {
1330 { GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
1331 { PIPE_FORMAT_DXT3_RGBA, 0 }
1332 },
1333 {
1334 { GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
1335 { PIPE_FORMAT_DXT5_RGBA, 0 }
1336 },
1337
1338 #if 0
1339 {
1340 { GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
1341 { PIPE_FORMAT_RGB_FXT1, 0 }
1342 },
1343 {
1344 { GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
1345 { PIPE_FORMAT_RGBA_FXT1, 0 }
1346 },
1347 #endif
1348
1349 /* Depth formats */
1350 {
1351 { GL_DEPTH_COMPONENT16, 0 },
1352 { PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
1353 },
1354 {
1355 { GL_DEPTH_COMPONENT24, 0 },
1356 { PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
1357 DEFAULT_DEPTH_FORMATS }
1358 },
1359 {
1360 { GL_DEPTH_COMPONENT32, 0 },
1361 { PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
1362 },
1363 {
1364 { GL_DEPTH_COMPONENT, 0 },
1365 { DEFAULT_DEPTH_FORMATS }
1366 },
1367 {
1368 { GL_DEPTH_COMPONENT32F, 0 },
1369 { PIPE_FORMAT_Z32_FLOAT, 0 }
1370 },
1371
1372 /* stencil formats */
1373 {
1374 { GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
1375 GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
1376 {
1377 PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
1378 PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
1379 }
1380 },
1381
1382 /* Depth / Stencil formats */
1383 {
1384 { GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
1385 { PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
1386 },
1387 {
1388 { GL_DEPTH32F_STENCIL8, 0 },
1389 { PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
1390 },
1391
1392 /* sRGB formats */
1393 {
1394 { GL_SRGB_EXT, GL_SRGB8_EXT, 0 },
1395 { PIPE_FORMAT_R8G8B8X8_SRGB, PIPE_FORMAT_B8G8R8X8_SRGB,
1396 DEFAULT_SRGBA_FORMATS }
1397 },
1398 {
1399 { GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
1400 { PIPE_FORMAT_R8G8B8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1401 },
1402 {
1403 { GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
1404 { PIPE_FORMAT_DXT1_SRGB, PIPE_FORMAT_R8G8B8X8_SRGB,
1405 PIPE_FORMAT_B8G8R8X8_SRGB, DEFAULT_SRGBA_FORMATS }
1406 },
1407 {
1408 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
1409 { PIPE_FORMAT_DXT1_SRGBA, 0 }
1410 },
1411 {
1412 { GL_COMPRESSED_SRGB_ALPHA_EXT,
1413 GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
1414 { PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
1415 },
1416 {
1417 { GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
1418 { PIPE_FORMAT_DXT5_SRGBA, 0 }
1419 },
1420 {
1421 { GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
1422 GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
1423 { PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
1424 },
1425 {
1426 { GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, GL_COMPRESSED_SLUMINANCE_EXT,
1427 0 },
1428 { PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
1429 },
1430 {
1431 { GL_SR8_EXT, 0 },
1432 { PIPE_FORMAT_R8_SRGB, 0 }
1433 },
1434
1435 /* 16-bit float formats */
1436 {
1437 { GL_RGBA16F_ARB, 0 },
1438 { PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1439 },
1440 {
1441 { GL_RGB16F_ARB, 0 },
1442 { PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16X16_FLOAT,
1443 PIPE_FORMAT_R16G16B16A16_FLOAT,
1444 PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1445 },
1446 {
1447 { GL_LUMINANCE_ALPHA16F_ARB, 0 },
1448 { PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1449 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1450 },
1451 {
1452 { GL_ALPHA16F_ARB, 0 },
1453 { PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1454 PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1455 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1456 },
1457 {
1458 { GL_INTENSITY16F_ARB, 0 },
1459 { PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1460 PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1461 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1462 },
1463 {
1464 { GL_LUMINANCE16F_ARB, 0 },
1465 { PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
1466 PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1467 PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1468 },
1469 {
1470 { GL_R16F, 0 },
1471 { PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
1472 PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1473 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1474 },
1475 {
1476 { GL_RG16F, 0 },
1477 { PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
1478 PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1479 },
1480
1481 /* 32-bit float formats */
1482 {
1483 { GL_RGBA32F_ARB, 0 },
1484 { PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1485 },
1486 {
1487 { GL_RGB32F_ARB, 0 },
1488 { PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32X32_FLOAT,
1489 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1490 },
1491 {
1492 { GL_LUMINANCE_ALPHA32F_ARB, 0 },
1493 { PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1494 },
1495 {
1496 { GL_ALPHA32F_ARB, 0 },
1497 { PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1498 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1499 },
1500 {
1501 { GL_INTENSITY32F_ARB, 0 },
1502 { PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1503 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1504 },
1505 {
1506 { GL_LUMINANCE32F_ARB, 0 },
1507 { PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
1508 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1509 },
1510 {
1511 { GL_R32F, 0 },
1512 { PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
1513 PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1514 },
1515 {
1516 { GL_RG32F, 0 },
1517 { PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
1518 },
1519
1520 /* R, RG formats */
1521 {
1522 { GL_RED, GL_R8, 0 },
1523 { PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1524 },
1525 {
1526 { GL_RG, GL_RG8, 0 },
1527 { PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1528 },
1529 {
1530 { GL_R16, 0 },
1531 { PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM,
1532 DEFAULT_UNORM16_RGBA_FORMATS }
1533 },
1534 {
1535 { GL_RG16, 0 },
1536 { PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS }
1537 },
1538
1539 /* compressed R, RG formats */
1540 {
1541 { GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
1542 { PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS }
1543 },
1544 {
1545 { GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
1546 { PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1547 },
1548 {
1549 { GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
1550 { PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
1551 },
1552 {
1553 { GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
1554 { PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1555 },
1556 {
1557 { GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
1558 { PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
1559 },
1560 {
1561 { GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
1562 { PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1563 },
1564 {
1565 { GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
1566 GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
1567 { PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
1568 },
1569 {
1570 { GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
1571 { PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
1572 },
1573
1574 /* ETC1 */
1575 {
1576 { GL_ETC1_RGB8_OES, 0 },
1577 { PIPE_FORMAT_ETC1_RGB8, 0 }
1578 },
1579
1580 /* ETC2 */
1581 {
1582 { GL_COMPRESSED_RGB8_ETC2, 0 },
1583 { PIPE_FORMAT_ETC2_RGB8, 0 }
1584 },
1585 {
1586 { GL_COMPRESSED_SRGB8_ETC2, 0 },
1587 { PIPE_FORMAT_ETC2_SRGB8, 0 }
1588 },
1589 {
1590 { GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 },
1591 { PIPE_FORMAT_ETC2_RGB8A1, 0 }
1592 },
1593 {
1594 { GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 0 },
1595 { PIPE_FORMAT_ETC2_SRGB8A1, 0 }
1596 },
1597 {
1598 { GL_COMPRESSED_RGBA8_ETC2_EAC, 0 },
1599 { PIPE_FORMAT_ETC2_RGBA8, 0 }
1600 },
1601 {
1602 { GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 0 },
1603 { PIPE_FORMAT_ETC2_SRGBA8, 0 }
1604 },
1605 {
1606 { GL_COMPRESSED_R11_EAC, 0 },
1607 { PIPE_FORMAT_ETC2_R11_UNORM, 0 }
1608 },
1609 {
1610 { GL_COMPRESSED_SIGNED_R11_EAC, 0 },
1611 { PIPE_FORMAT_ETC2_R11_SNORM, 0 }
1612 },
1613 {
1614 { GL_COMPRESSED_RG11_EAC, 0 },
1615 { PIPE_FORMAT_ETC2_RG11_UNORM, 0 }
1616 },
1617 {
1618 { GL_COMPRESSED_SIGNED_RG11_EAC, 0 },
1619 { PIPE_FORMAT_ETC2_RG11_SNORM, 0 }
1620 },
1621
1622 /* BPTC */
1623 {
1624 { GL_COMPRESSED_RGBA_BPTC_UNORM, 0 },
1625 { PIPE_FORMAT_BPTC_RGBA_UNORM, 0 },
1626 },
1627 {
1628 { GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, 0 },
1629 { PIPE_FORMAT_BPTC_SRGBA, 0 },
1630 },
1631 {
1632 { GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, 0 },
1633 { PIPE_FORMAT_BPTC_RGB_FLOAT, 0 },
1634 },
1635 {
1636 { GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, 0 },
1637 { PIPE_FORMAT_BPTC_RGB_UFLOAT, 0 },
1638 },
1639
1640 /* ASTC */
1641 {
1642 { GL_COMPRESSED_RGBA_ASTC_4x4_KHR, 0 },
1643 { PIPE_FORMAT_ASTC_4x4, 0},
1644 },
1645 {
1646 { GL_COMPRESSED_RGBA_ASTC_5x4_KHR, 0 },
1647 { PIPE_FORMAT_ASTC_5x4, 0},
1648 },
1649 {
1650 { GL_COMPRESSED_RGBA_ASTC_5x5_KHR, 0 },
1651 { PIPE_FORMAT_ASTC_5x5, 0},
1652 },
1653 {
1654 { GL_COMPRESSED_RGBA_ASTC_6x5_KHR, 0 },
1655 { PIPE_FORMAT_ASTC_6x5, 0},
1656 },
1657 {
1658 { GL_COMPRESSED_RGBA_ASTC_6x6_KHR, 0 },
1659 { PIPE_FORMAT_ASTC_6x6, 0},
1660 },
1661 {
1662 { GL_COMPRESSED_RGBA_ASTC_8x5_KHR, 0 },
1663 { PIPE_FORMAT_ASTC_8x5, 0},
1664 },
1665 {
1666 { GL_COMPRESSED_RGBA_ASTC_8x6_KHR, 0 },
1667 { PIPE_FORMAT_ASTC_8x6, 0},
1668 },
1669 {
1670 { GL_COMPRESSED_RGBA_ASTC_8x8_KHR, 0 },
1671 { PIPE_FORMAT_ASTC_8x8, 0},
1672 },
1673 {
1674 { GL_COMPRESSED_RGBA_ASTC_10x5_KHR, 0 },
1675 { PIPE_FORMAT_ASTC_10x5, 0},
1676 },
1677 {
1678 { GL_COMPRESSED_RGBA_ASTC_10x6_KHR, 0 },
1679 { PIPE_FORMAT_ASTC_10x6, 0},
1680 },
1681 {
1682 { GL_COMPRESSED_RGBA_ASTC_10x8_KHR, 0 },
1683 { PIPE_FORMAT_ASTC_10x8, 0},
1684 },
1685 {
1686 { GL_COMPRESSED_RGBA_ASTC_10x10_KHR, 0 },
1687 { PIPE_FORMAT_ASTC_10x10, 0},
1688 },
1689 {
1690 { GL_COMPRESSED_RGBA_ASTC_12x10_KHR, 0 },
1691 { PIPE_FORMAT_ASTC_12x10, 0},
1692 },
1693 {
1694 { GL_COMPRESSED_RGBA_ASTC_12x12_KHR, 0 },
1695 { PIPE_FORMAT_ASTC_12x12, 0},
1696 },
1697
1698 {
1699 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, 0 },
1700 { PIPE_FORMAT_ASTC_4x4_SRGB, 0},
1701 },
1702 {
1703 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, 0 },
1704 { PIPE_FORMAT_ASTC_5x4_SRGB, 0},
1705 },
1706 {
1707 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, 0 },
1708 { PIPE_FORMAT_ASTC_5x5_SRGB, 0},
1709 },
1710 {
1711 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, 0 },
1712 { PIPE_FORMAT_ASTC_6x5_SRGB, 0},
1713 },
1714 {
1715 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, 0 },
1716 { PIPE_FORMAT_ASTC_6x6_SRGB, 0},
1717 },
1718 {
1719 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, 0 },
1720 { PIPE_FORMAT_ASTC_8x5_SRGB, 0},
1721 },
1722 {
1723 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, 0 },
1724 { PIPE_FORMAT_ASTC_8x6_SRGB, 0},
1725 },
1726 {
1727 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, 0 },
1728 { PIPE_FORMAT_ASTC_8x8_SRGB, 0},
1729 },
1730 {
1731 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, 0 },
1732 { PIPE_FORMAT_ASTC_10x5_SRGB, 0},
1733 },
1734 {
1735 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, 0 },
1736 { PIPE_FORMAT_ASTC_10x6_SRGB, 0},
1737 },
1738 {
1739 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, 0 },
1740 { PIPE_FORMAT_ASTC_10x8_SRGB, 0},
1741 },
1742 {
1743 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 0 },
1744 { PIPE_FORMAT_ASTC_10x10_SRGB, 0},
1745 },
1746 {
1747 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 0 },
1748 { PIPE_FORMAT_ASTC_12x10_SRGB, 0},
1749 },
1750 {
1751 { GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 0 },
1752 { PIPE_FORMAT_ASTC_12x12_SRGB, 0},
1753 },
1754
1755 /* signed/unsigned integer formats.
1756 */
1757 {
1758 { GL_RGBA_INTEGER_EXT,
1759 GL_BGRA_INTEGER_EXT,
1760 GL_RGBA8I_EXT, 0 },
1761 { PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1762 },
1763 {
1764 { GL_RGB_INTEGER_EXT,
1765 GL_BGR_INTEGER_EXT,
1766 GL_RGB8I_EXT,
1767 GL_BLUE_INTEGER_EXT, 0 },
1768 { PIPE_FORMAT_R8G8B8_SINT, PIPE_FORMAT_R8G8B8X8_SINT,
1769 PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1770 },
1771 {
1772 { GL_ALPHA_INTEGER_EXT,
1773 GL_ALPHA8I_EXT, 0 },
1774 { PIPE_FORMAT_A8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1775 },
1776 {
1777 { GL_ALPHA16I_EXT, 0 },
1778 { PIPE_FORMAT_A16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1779 },
1780 {
1781 { GL_ALPHA32I_EXT, 0 },
1782 { PIPE_FORMAT_A32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1783 },
1784 {
1785 { GL_ALPHA8UI_EXT, 0 },
1786 { PIPE_FORMAT_A8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1787 },
1788 {
1789 { GL_ALPHA16UI_EXT, 0 },
1790 { PIPE_FORMAT_A16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1791 },
1792 {
1793 { GL_ALPHA32UI_EXT, 0 },
1794 { PIPE_FORMAT_A32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1795 },
1796 {
1797 { GL_INTENSITY8I_EXT, 0 },
1798 { PIPE_FORMAT_I8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1799 },
1800 {
1801 { GL_INTENSITY16I_EXT, 0 },
1802 { PIPE_FORMAT_I16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1803 },
1804 {
1805 { GL_INTENSITY32I_EXT, 0 },
1806 { PIPE_FORMAT_I32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1807 },
1808 {
1809 { GL_INTENSITY8UI_EXT, 0 },
1810 { PIPE_FORMAT_I8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1811 },
1812 {
1813 { GL_INTENSITY16UI_EXT, 0 },
1814 { PIPE_FORMAT_I16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1815 },
1816 {
1817 { GL_INTENSITY32UI_EXT, 0 },
1818 { PIPE_FORMAT_I32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1819 },
1820 {
1821 { GL_LUMINANCE8I_EXT, 0 },
1822 { PIPE_FORMAT_L8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1823 },
1824 {
1825 { GL_LUMINANCE16I_EXT, 0 },
1826 { PIPE_FORMAT_L16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1827 },
1828 {
1829 { GL_LUMINANCE32I_EXT, 0 },
1830 { PIPE_FORMAT_L32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1831 },
1832 {
1833 { GL_LUMINANCE_INTEGER_EXT,
1834 GL_LUMINANCE8UI_EXT, 0 },
1835 { PIPE_FORMAT_L8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1836 },
1837 {
1838 { GL_LUMINANCE16UI_EXT, 0 },
1839 { PIPE_FORMAT_L16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1840 },
1841 {
1842 { GL_LUMINANCE32UI_EXT, 0 },
1843 { PIPE_FORMAT_L32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1844 },
1845 {
1846 { GL_LUMINANCE_ALPHA_INTEGER_EXT,
1847 GL_LUMINANCE_ALPHA8I_EXT, 0 },
1848 { PIPE_FORMAT_L8A8_SINT, PIPE_FORMAT_R8G8B8A8_SINT, 0 }
1849 },
1850 {
1851 { GL_LUMINANCE_ALPHA16I_EXT, 0 },
1852 { PIPE_FORMAT_L16A16_SINT, PIPE_FORMAT_R16G16B16A16_SINT, 0 }
1853 },
1854 {
1855 { GL_LUMINANCE_ALPHA32I_EXT, 0 },
1856 { PIPE_FORMAT_L32A32_SINT, PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1857 },
1858 {
1859 { GL_LUMINANCE_ALPHA8UI_EXT, 0 },
1860 { PIPE_FORMAT_L8A8_UINT, PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1861 },
1862 {
1863 { GL_LUMINANCE_ALPHA16UI_EXT, 0 },
1864 { PIPE_FORMAT_L16A16_UINT, PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1865 },
1866 {
1867 { GL_LUMINANCE_ALPHA32UI_EXT, 0 },
1868 { PIPE_FORMAT_L32A32_UINT, PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1869 },
1870 {
1871 { GL_RGB16I_EXT, 0 },
1872 { PIPE_FORMAT_R16G16B16_SINT, PIPE_FORMAT_R16G16B16X16_SINT,
1873 PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1874 },
1875 {
1876 { GL_RGBA16I_EXT, 0 },
1877 { PIPE_FORMAT_R16G16B16A16_SINT, 0 },
1878 },
1879 {
1880 { GL_RGB32I_EXT, 0 },
1881 { PIPE_FORMAT_R32G32B32_SINT, PIPE_FORMAT_R32G32B32X32_SINT,
1882 PIPE_FORMAT_R32G32B32A32_SINT, 0 },
1883 },
1884 {
1885 { GL_RGBA32I_EXT, 0 },
1886 { PIPE_FORMAT_R32G32B32A32_SINT, 0 }
1887 },
1888 {
1889 { GL_RGBA8UI_EXT, 0 },
1890 { PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1891 },
1892 {
1893 { GL_RGB8UI_EXT, 0 },
1894 { PIPE_FORMAT_R8G8B8_UINT, PIPE_FORMAT_R8G8B8X8_UINT,
1895 PIPE_FORMAT_R8G8B8A8_UINT, 0 }
1896 },
1897 {
1898 { GL_RGB16UI_EXT, 0 },
1899 { PIPE_FORMAT_R16G16B16_UINT, PIPE_FORMAT_R16G16B16X16_UINT,
1900 PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1901 },
1902 {
1903 { GL_RGBA16UI_EXT, 0 },
1904 { PIPE_FORMAT_R16G16B16A16_UINT, 0 }
1905 },
1906 {
1907 { GL_RGB32UI_EXT, 0},
1908 { PIPE_FORMAT_R32G32B32_UINT, PIPE_FORMAT_R32G32B32X32_UINT,
1909 PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1910 },
1911 {
1912 { GL_RGBA32UI_EXT, 0},
1913 { PIPE_FORMAT_R32G32B32A32_UINT, 0 }
1914 },
1915 {
1916 { GL_R8I, GL_RED_INTEGER_EXT, 0},
1917 { PIPE_FORMAT_R8_SINT, 0},
1918 },
1919 {
1920 { GL_R16I, 0},
1921 { PIPE_FORMAT_R16_SINT, 0},
1922 },
1923 {
1924 { GL_R32I, 0},
1925 { PIPE_FORMAT_R32_SINT, 0},
1926 },
1927 {
1928 { GL_R8UI, 0},
1929 { PIPE_FORMAT_R8_UINT, 0},
1930 },
1931 {
1932 { GL_R16UI, 0},
1933 { PIPE_FORMAT_R16_UINT, 0},
1934 },
1935 {
1936 { GL_R32UI, 0},
1937 { PIPE_FORMAT_R32_UINT, 0},
1938 },
1939 {
1940 { GL_RG8I, GL_GREEN_INTEGER_EXT, 0},
1941 { PIPE_FORMAT_R8G8_SINT, 0},
1942 },
1943 {
1944 { GL_RG16I, 0},
1945 { PIPE_FORMAT_R16G16_SINT, 0},
1946 },
1947 {
1948 { GL_RG32I, 0},
1949 { PIPE_FORMAT_R32G32_SINT, 0},
1950 },
1951 {
1952 { GL_RG8UI, 0},
1953 { PIPE_FORMAT_R8G8_UINT, 0},
1954 },
1955 {
1956 { GL_RG16UI, 0},
1957 { PIPE_FORMAT_R16G16_UINT, 0},
1958 },
1959 {
1960 { GL_RG32UI, 0},
1961 { PIPE_FORMAT_R32G32_UINT, 0},
1962 },
1963 /* signed normalized formats */
1964 {
1965 { GL_RED_SNORM, GL_R8_SNORM, 0 },
1966 { PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
1967 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1968 },
1969 {
1970 { GL_R16_SNORM, 0 },
1971 { PIPE_FORMAT_R16_SNORM,
1972 PIPE_FORMAT_R16G16_SNORM,
1973 PIPE_FORMAT_R16G16B16A16_SNORM,
1974 PIPE_FORMAT_R8_SNORM,
1975 PIPE_FORMAT_R8G8_SNORM,
1976 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1977 },
1978 {
1979 { GL_RG_SNORM, GL_RG8_SNORM, 0 },
1980 { PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1981 },
1982 {
1983 { GL_RG16_SNORM, 0 },
1984 { PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1985 PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1986 },
1987 {
1988 { GL_RGB_SNORM, GL_RGB8_SNORM, 0 },
1989 { PIPE_FORMAT_R8G8B8X8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1990 },
1991 {
1992 { GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
1993 { PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1994 },
1995 {
1996 { GL_RGB16_SNORM, 0 },
1997 { PIPE_FORMAT_R16G16B16X16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
1998 PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
1999 },
2000 {
2001 { GL_RGBA16_SNORM, 0 },
2002 { PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2003 },
2004 {
2005 { GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
2006 { PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2007 },
2008 {
2009 { GL_ALPHA16_SNORM, 0 },
2010 { PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2011 PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2012 },
2013 {
2014 { GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
2015 { PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2016 },
2017 {
2018 { GL_LUMINANCE16_SNORM, 0 },
2019 { PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2020 PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2021 },
2022 {
2023 { GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
2024 { PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2025 },
2026 {
2027 { GL_LUMINANCE16_ALPHA16_SNORM, 0 },
2028 { PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2029 PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2030 },
2031 {
2032 { GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
2033 { PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2034 },
2035 {
2036 { GL_INTENSITY16_SNORM, 0 },
2037 { PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
2038 PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
2039 },
2040 {
2041 { GL_RGB9_E5, 0 },
2042 { PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
2043 },
2044 {
2045 { GL_R11F_G11F_B10F, 0 },
2046 { PIPE_FORMAT_R11G11B10_FLOAT, 0 }
2047 },
2048 {
2049 { GL_RGB10_A2UI, 0 },
2050 { PIPE_FORMAT_R10G10B10A2_UINT, PIPE_FORMAT_B10G10R10A2_UINT, 0 }
2051 },
2052 };
2053
2054
2055 /**
2056 * Return first supported format from the given list.
2057 * \param allow_dxt indicates whether it's OK to return a DXT format.
2058 */
2059 static enum pipe_format
2060 find_supported_format(struct pipe_screen *screen,
2061 const enum pipe_format formats[],
2062 enum pipe_texture_target target,
2063 unsigned sample_count,
2064 unsigned storage_sample_count,
2065 unsigned bindings,
2066 boolean allow_dxt)
2067 {
2068 uint i;
2069 for (i = 0; formats[i]; i++) {
2070 if (screen->is_format_supported(screen, formats[i], target,
2071 sample_count, storage_sample_count,
2072 bindings)) {
2073 if (!allow_dxt && util_format_is_s3tc(formats[i])) {
2074 /* we can't return a dxt format, continue searching */
2075 continue;
2076 }
2077
2078 return formats[i];
2079 }
2080 }
2081 return PIPE_FORMAT_NONE;
2082 }
2083
2084
2085 struct exact_format_mapping
2086 {
2087 GLenum format;
2088 GLenum type;
2089 enum pipe_format pformat;
2090 };
2091
2092 static const struct exact_format_mapping rgba8888_tbl[] =
2093 {
2094 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ABGR8888_UNORM },
2095 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_ABGR8888_UNORM },
2096 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBA8888_UNORM },
2097 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBA8888_UNORM },
2098 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_ARGB8888_UNORM },
2099 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRA8888_UNORM },
2100 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
2101 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
2102 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
2103 { 0, 0, 0 }
2104 };
2105
2106 static const struct exact_format_mapping rgbx8888_tbl[] =
2107 {
2108 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XBGR8888_UNORM },
2109 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_XBGR8888_UNORM },
2110 { GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_RGBX8888_UNORM },
2111 { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_RGBX8888_UNORM },
2112 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_XRGB8888_UNORM },
2113 { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_BGRX8888_UNORM },
2114 { GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
2115 { GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
2116 { GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
2117 { 0, 0, 0 }
2118 };
2119
2120
2121 /**
2122 * For unsized/base internal formats, we may choose a convenient effective
2123 * internal format for {format, type}. If one exists, return that, otherwise
2124 * return PIPE_FORMAT_NONE.
2125 */
2126 static enum pipe_format
2127 find_exact_format(GLint internalFormat, GLenum format, GLenum type)
2128 {
2129 uint i;
2130 const struct exact_format_mapping* tbl;
2131
2132 if (format == GL_NONE || type == GL_NONE)
2133 return PIPE_FORMAT_NONE;
2134
2135 switch (internalFormat) {
2136 case 4:
2137 case GL_RGBA:
2138 tbl = rgba8888_tbl;
2139 break;
2140 case 3:
2141 case GL_RGB:
2142 tbl = rgbx8888_tbl;
2143 break;
2144 default:
2145 return PIPE_FORMAT_NONE;
2146 }
2147
2148 for (i = 0; tbl[i].format; i++)
2149 if (tbl[i].format == format && tbl[i].type == type)
2150 return tbl[i].pformat;
2151
2152 return PIPE_FORMAT_NONE;
2153 }
2154
2155
2156 /**
2157 * Given an OpenGL internalFormat value for a texture or surface, return
2158 * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
2159 * This is called during glTexImage2D, for example.
2160 *
2161 * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
2162 * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
2163 * we want render-to-texture ability.
2164 *
2165 * \param internalFormat the user value passed to glTexImage2D
2166 * \param target one of PIPE_TEXTURE_x
2167 * \param bindings bitmask of PIPE_BIND_x flags.
2168 * \param allow_dxt indicates whether it's OK to return a DXT format. This
2169 * only matters when internalFormat names a generic or
2170 * specific compressed format. And that should only happen
2171 * when we're getting called from gl[Copy]TexImage().
2172 */
2173 enum pipe_format
2174 st_choose_format(struct st_context *st, GLenum internalFormat,
2175 GLenum format, GLenum type,
2176 enum pipe_texture_target target, unsigned sample_count,
2177 unsigned storage_sample_count,
2178 unsigned bindings, boolean allow_dxt)
2179 {
2180 struct pipe_screen *screen = st->pipe->screen;
2181 unsigned i;
2182 int j;
2183 enum pipe_format pf;
2184
2185 #ifdef DEBUG
2186 {
2187 static boolean firstCall = TRUE;
2188 if (firstCall) {
2189 test_format_conversion(st);
2190 firstCall = FALSE;
2191 }
2192 }
2193 #else
2194 (void) test_format_conversion;
2195 #endif
2196
2197 /* can't render to compressed formats at this time */
2198 if (_mesa_is_compressed_format(st->ctx, internalFormat)
2199 && (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
2200 return PIPE_FORMAT_NONE;
2201 }
2202
2203 /* search for exact matches */
2204 pf = find_exact_format(internalFormat, format, type);
2205 if (pf != PIPE_FORMAT_NONE &&
2206 screen->is_format_supported(screen, pf, target, sample_count,
2207 storage_sample_count, bindings)) {
2208 goto success;
2209 }
2210
2211 /* For an unsized GL_RGB but a 2_10_10_10 type, try to pick one of the
2212 * 2_10_10_10 formats. This is important for
2213 * GL_EXT_texture_type_2_10_10_10_EXT support, which says that these
2214 * formats are not color-renderable. Mesa's check for making those
2215 * non-color-renderable is based on our chosen format being 2101010.
2216 */
2217 if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
2218 if (internalFormat == GL_RGB)
2219 internalFormat = GL_RGB10;
2220 else if (internalFormat == GL_RGBA)
2221 internalFormat = GL_RGB10_A2;
2222 }
2223
2224 /* search table for internalFormat */
2225 for (i = 0; i < ARRAY_SIZE(format_map); i++) {
2226 const struct format_mapping *mapping = &format_map[i];
2227 for (j = 0; mapping->glFormats[j]; j++) {
2228 if (mapping->glFormats[j] == internalFormat) {
2229 /* Found the desired internal format. Find first pipe format
2230 * which is supported by the driver.
2231 */
2232 pf = find_supported_format(screen, mapping->pipeFormats,
2233 target, sample_count,
2234 storage_sample_count, bindings,
2235 allow_dxt);
2236 goto success;
2237 }
2238 }
2239 }
2240
2241 _mesa_problem(NULL, "unhandled format!\n");
2242 return PIPE_FORMAT_NONE;
2243
2244 success:
2245 if (0) {
2246 debug_printf("%s(fmt=%s, type=%s, intFmt=%s) = %s\n",
2247 __FUNCTION__,
2248 _mesa_enum_to_string(format),
2249 _mesa_enum_to_string(type),
2250 _mesa_enum_to_string(internalFormat),
2251 util_format_name(pf));
2252 }
2253 return pf;
2254 }
2255
2256
2257 /**
2258 * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
2259 */
2260 enum pipe_format
2261 st_choose_renderbuffer_format(struct st_context *st,
2262 GLenum internalFormat, unsigned sample_count,
2263 unsigned storage_sample_count)
2264 {
2265 unsigned bindings;
2266 if (_mesa_is_depth_or_stencil_format(internalFormat))
2267 bindings = PIPE_BIND_DEPTH_STENCIL;
2268 else
2269 bindings = PIPE_BIND_RENDER_TARGET;
2270 return st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
2271 PIPE_TEXTURE_2D, sample_count,
2272 storage_sample_count, bindings, FALSE);
2273 }
2274
2275
2276 /**
2277 * Given an OpenGL user-requested format and type, and swapBytes state,
2278 * return the format which exactly matches those parameters, so that
2279 * a memcpy-based transfer can be done.
2280 *
2281 * If no format is supported, return PIPE_FORMAT_NONE.
2282 */
2283 enum pipe_format
2284 st_choose_matching_format(struct st_context *st, unsigned bind,
2285 GLenum format, GLenum type, GLboolean swapBytes)
2286 {
2287 struct pipe_screen *screen = st->pipe->screen;
2288 mesa_format mesa_format;
2289
2290 for (mesa_format = 1; mesa_format < MESA_FORMAT_COUNT; mesa_format++) {
2291 if (_mesa_get_format_color_encoding(mesa_format) == GL_SRGB) {
2292 continue;
2293 }
2294 if (_mesa_get_format_bits(mesa_format, GL_TEXTURE_INTENSITY_SIZE) > 0) {
2295 /* If `format` is GL_RED/GL_RED_INTEGER, then we might match some
2296 * intensity formats, which we don't want.
2297 */
2298 continue;
2299 }
2300
2301 if (_mesa_format_matches_format_and_type(mesa_format, format, type,
2302 swapBytes, NULL)) {
2303 enum pipe_format format =
2304 st_mesa_format_to_pipe_format(st, mesa_format);
2305
2306 if (format &&
2307 screen->is_format_supported(screen, format, PIPE_TEXTURE_2D,
2308 0, 0, bind)) {
2309 return format;
2310 }
2311 /* It's unlikely to find 2 matching Mesa formats. */
2312 break;
2313 }
2314 }
2315 return PIPE_FORMAT_NONE;
2316 }
2317
2318
2319 /**
2320 * Called via ctx->Driver.ChooseTextureFormat().
2321 */
2322 mesa_format
2323 st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
2324 GLint internalFormat,
2325 GLenum format, GLenum type)
2326 {
2327 struct st_context *st = st_context(ctx);
2328 enum pipe_format pFormat;
2329 mesa_format mFormat;
2330 unsigned bindings;
2331 bool is_renderbuffer = false;
2332 enum pipe_texture_target pTarget;
2333
2334 if (target == GL_RENDERBUFFER) {
2335 pTarget = PIPE_TEXTURE_2D;
2336 is_renderbuffer = true;
2337 } else {
2338 pTarget = gl_target_to_pipe(target);
2339 }
2340
2341 if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
2342 /* We don't do compression for these texture targets because of
2343 * difficulty with sub-texture updates on non-block boundaries, etc.
2344 * So change the internal format request to an uncompressed format.
2345 */
2346 internalFormat =
2347 _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
2348 }
2349
2350 /* GL textures may wind up being render targets, but we don't know
2351 * that in advance. Specify potential render target flags now for formats
2352 * that we know should always be renderable.
2353 */
2354 bindings = PIPE_BIND_SAMPLER_VIEW;
2355 if (_mesa_is_depth_or_stencil_format(internalFormat))
2356 bindings |= PIPE_BIND_DEPTH_STENCIL;
2357 else if (is_renderbuffer || internalFormat == 3 || internalFormat == 4 ||
2358 internalFormat == GL_RGB || internalFormat == GL_RGBA ||
2359 internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
2360 internalFormat == GL_BGRA ||
2361 internalFormat == GL_RGB16F ||
2362 internalFormat == GL_RGBA16F ||
2363 internalFormat == GL_RGB32F ||
2364 internalFormat == GL_RGBA32F)
2365 bindings |= PIPE_BIND_RENDER_TARGET;
2366
2367 /* GLES allows the driver to choose any format which matches
2368 * the format+type combo, because GLES only supports unsized internal
2369 * formats and expects the driver to choose whatever suits it.
2370 */
2371 if (_mesa_is_gles(ctx)) {
2372 GLenum baseFormat = _mesa_base_tex_format(ctx, internalFormat);
2373 GLenum basePackFormat = _mesa_base_pack_format(format);
2374 GLenum iformat = internalFormat;
2375
2376 /* Treat GL_BGRA as GL_RGBA. */
2377 if (iformat == GL_BGRA)
2378 iformat = GL_RGBA;
2379
2380 /* Check if the internalformat is unsized and compatible
2381 * with the "format".
2382 */
2383 if (iformat == baseFormat && iformat == basePackFormat) {
2384 pFormat = st_choose_matching_format(st, bindings, format, type,
2385 ctx->Unpack.SwapBytes);
2386
2387 if (pFormat != PIPE_FORMAT_NONE)
2388 return st_pipe_format_to_mesa_format(pFormat);
2389
2390 if (!is_renderbuffer) {
2391 /* try choosing format again, this time without render
2392 * target bindings.
2393 */
2394 pFormat = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
2395 format, type,
2396 ctx->Unpack.SwapBytes);
2397 if (pFormat != PIPE_FORMAT_NONE)
2398 return st_pipe_format_to_mesa_format(pFormat);
2399 }
2400 }
2401 }
2402
2403 pFormat = st_choose_format(st, internalFormat, format, type,
2404 pTarget, 0, 0, bindings, GL_TRUE);
2405
2406 if (pFormat == PIPE_FORMAT_NONE && !is_renderbuffer) {
2407 /* try choosing format again, this time without render target bindings */
2408 pFormat = st_choose_format(st, internalFormat, format, type,
2409 pTarget, 0, 0, PIPE_BIND_SAMPLER_VIEW,
2410 GL_TRUE);
2411 }
2412
2413 if (pFormat == PIPE_FORMAT_NONE) {
2414 mFormat = _mesa_glenum_to_compressed_format(internalFormat);
2415 if (st_compressed_format_fallback(st, mFormat))
2416 return mFormat;
2417
2418 /* no luck at all */
2419 return MESA_FORMAT_NONE;
2420 }
2421
2422 mFormat = st_pipe_format_to_mesa_format(pFormat);
2423
2424 /* Debugging aid */
2425 if (0) {
2426 debug_printf("%s(intFormat=%s, format=%s, type=%s) -> %s, %s\n",
2427 __func__,
2428 _mesa_enum_to_string(internalFormat),
2429 _mesa_enum_to_string(format),
2430 _mesa_enum_to_string(type),
2431 util_format_name(pFormat),
2432 _mesa_get_format_name(mFormat));
2433 }
2434
2435 return mFormat;
2436 }
2437
2438
2439 /**
2440 * Called via ctx->Driver.QueryInternalFormat().
2441 */
2442 static size_t
2443 st_QuerySamplesForFormat(struct gl_context *ctx, GLenum target,
2444 GLenum internalFormat, int samples[16])
2445 {
2446 struct st_context *st = st_context(ctx);
2447 enum pipe_format format;
2448 unsigned i, bind, num_sample_counts = 0;
2449
2450 (void) target;
2451
2452 if (_mesa_is_depth_or_stencil_format(internalFormat))
2453 bind = PIPE_BIND_DEPTH_STENCIL;
2454 else
2455 bind = PIPE_BIND_RENDER_TARGET;
2456
2457 /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
2458 * formats.
2459 */
2460 if (!ctx->Extensions.EXT_framebuffer_sRGB) {
2461 internalFormat = _mesa_get_linear_internalformat(internalFormat);
2462 }
2463
2464 /* Set sample counts in descending order. */
2465 for (i = 16; i > 1; i--) {
2466 format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
2467 PIPE_TEXTURE_2D, i, i, bind, FALSE);
2468
2469 if (format != PIPE_FORMAT_NONE) {
2470 samples[num_sample_counts++] = i;
2471 }
2472 }
2473
2474 if (!num_sample_counts) {
2475 samples[num_sample_counts++] = 1;
2476 }
2477
2478 return num_sample_counts;
2479 }
2480
2481
2482 /**
2483 * ARB_internalformat_query2 driver hook.
2484 */
2485 void
2486 st_QueryInternalFormat(struct gl_context *ctx, GLenum target,
2487 GLenum internalFormat, GLenum pname, GLint *params)
2488 {
2489 struct st_context *st = st_context(ctx);
2490 /* The API entry-point gives us a temporary params buffer that is non-NULL
2491 * and guaranteed to have at least 16 elements.
2492 */
2493 assert(params != NULL);
2494
2495 switch (pname) {
2496 case GL_SAMPLES:
2497 st_QuerySamplesForFormat(ctx, target, internalFormat, params);
2498 break;
2499
2500 case GL_NUM_SAMPLE_COUNTS: {
2501 int samples[16];
2502 size_t num_samples;
2503 num_samples = st_QuerySamplesForFormat(ctx, target, internalFormat,
2504 samples);
2505 params[0] = (GLint) num_samples;
2506 break;
2507 }
2508 case GL_INTERNALFORMAT_PREFERRED: {
2509 params[0] = GL_NONE;
2510
2511 /* We need to resolve an internal format that is compatible with
2512 * the passed internal format, and optimal to the driver. By now,
2513 * we just validate that the passed internal format is supported by
2514 * the driver, and if so return the same internal format, otherwise
2515 * return GL_NONE.
2516 */
2517 unsigned bindings;
2518 if (_mesa_is_depth_or_stencil_format(internalFormat))
2519 bindings = PIPE_BIND_DEPTH_STENCIL;
2520 else
2521 bindings = PIPE_BIND_RENDER_TARGET;
2522 enum pipe_format pformat = st_choose_format(st,
2523 internalFormat,
2524 GL_NONE,
2525 GL_NONE,
2526 PIPE_TEXTURE_2D, 0, 0,
2527 bindings, FALSE);
2528 if (pformat)
2529 params[0] = internalFormat;
2530 break;
2531 }
2532 default:
2533 /* For the rest of the pnames, we call back the Mesa's default
2534 * function for drivers that don't implement ARB_internalformat_query2.
2535 */
2536 _mesa_query_internal_format_default(ctx, target, internalFormat, pname,
2537 params);
2538 }
2539 }
2540
2541
2542 /**
2543 * This is used for translating texture border color and the clear
2544 * color. For example, the clear color is interpreted according to
2545 * the renderbuffer's base format. For example, if clearing a
2546 * GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
2547 * colorOut[2] = colorIn[0].
2548 * Similarly for texture border colors.
2549 */
2550 void
2551 st_translate_color(const union gl_color_union *colorIn,
2552 union pipe_color_union *colorOut,
2553 GLenum baseFormat, GLboolean is_integer)
2554 {
2555 if (is_integer) {
2556 const int *in = colorIn->i;
2557 int *out = colorOut->i;
2558
2559 switch (baseFormat) {
2560 case GL_RED:
2561 out[0] = in[0];
2562 out[1] = 0;
2563 out[2] = 0;
2564 out[3] = 1;
2565 break;
2566 case GL_RG:
2567 out[0] = in[0];
2568 out[1] = in[1];
2569 out[2] = 0;
2570 out[3] = 1;
2571 break;
2572 case GL_RGB:
2573 out[0] = in[0];
2574 out[1] = in[1];
2575 out[2] = in[2];
2576 out[3] = 1;
2577 break;
2578 case GL_ALPHA:
2579 out[0] = out[1] = out[2] = 0;
2580 out[3] = in[3];
2581 break;
2582 case GL_LUMINANCE:
2583 out[0] = out[1] = out[2] = in[0];
2584 out[3] = 1;
2585 break;
2586 case GL_LUMINANCE_ALPHA:
2587 out[0] = out[1] = out[2] = in[0];
2588 out[3] = in[3];
2589 break;
2590 case GL_INTENSITY:
2591 out[0] = out[1] = out[2] = out[3] = in[0];
2592 break;
2593 default:
2594 COPY_4V(out, in);
2595 }
2596 }
2597 else {
2598 const float *in = colorIn->f;
2599 float *out = colorOut->f;
2600
2601 switch (baseFormat) {
2602 case GL_RED:
2603 out[0] = in[0];
2604 out[1] = 0.0F;
2605 out[2] = 0.0F;
2606 out[3] = 1.0F;
2607 break;
2608 case GL_RG:
2609 out[0] = in[0];
2610 out[1] = in[1];
2611 out[2] = 0.0F;
2612 out[3] = 1.0F;
2613 break;
2614 case GL_RGB:
2615 out[0] = in[0];
2616 out[1] = in[1];
2617 out[2] = in[2];
2618 out[3] = 1.0F;
2619 break;
2620 case GL_ALPHA:
2621 out[0] = out[1] = out[2] = 0.0F;
2622 out[3] = in[3];
2623 break;
2624 case GL_LUMINANCE:
2625 out[0] = out[1] = out[2] = in[0];
2626 out[3] = 1.0F;
2627 break;
2628 case GL_LUMINANCE_ALPHA:
2629 out[0] = out[1] = out[2] = in[0];
2630 out[3] = in[3];
2631 break;
2632 /* Stencil border is tricky on some hw. Help drivers a little here. */
2633 case GL_STENCIL_INDEX:
2634 case GL_INTENSITY:
2635 out[0] = out[1] = out[2] = out[3] = in[0];
2636 break;
2637 default:
2638 COPY_4V(out, in);
2639 }
2640 }
2641 }